Hellsinker

Hellsinker. (ヘルシンカー) is a doujin bullet-hell shoot-em-up developed by Ruminant's Whimper for PC in 2006 and re-released on Steam in 2019. Its defining gameplay features are the varied and unconventional abilities of its playable characters, obscure and obfuscated mechanics, and its three different tracked scores. The game is also often noted for its unique, sometimes inscrutable, lore and aesthetic. The story follows 4 members of the mysterious organization GRAVEYARD as they attempt to reach and infiltrate the Cardinal Shaft, a giant tower responsible for the end of the world.

AN AWESOME PRAYER
IS
CONFLICT WITH US

KEEP YOUR DIGNITY

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Video Index — Strategy Page

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Gameplay Overview

Title screen 1 of 4. Title screens are unlocked as you progress through the game.

Hellsinker. is a four-button game with 4 playable characters (one of which has 4 different load-outs, for an overall total of 7) and 9 stages (referred to as Segments) in the main game. There are also unlockable harder versions of the first 3 Segments and 2 standalone Extra Segments. The game's three scoring systems are Spirits, Kills, and Tokens.

Controls

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• C (Press): Main shot. Tapping 5 times per second is optimal. Tapping faster will drain LUNA while providing no benefit.
• C (Hold): Charge attack. Some shots have autofire ability as well.
• X (Press or hold): Subweapon. The mechanics of this attack vary whether the button was pressed or held, and whether the subweapon gauge is filled to level 1 or 2.
• Z: Discharge attack (bomb). Discharge attacks clear the screen of bullets and make the player character invincible for some time.
• V: Activate slow movement. The exact behavior of this button is dependent on the Speed Control setting. Fossilmaiden uses this button to control her aiming direction instead.

There are some additional controls that apply only to some characters:

• C (Tap rapidly): Additional shot weapon.
• C (Hold) + X: Additional subweapon.
• Z (Hold): Delay Discharge detonation. Invincibility is still applied immediately.

HUD

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The lefthand side of the HUD focuses on gameplay features and contains vital information for any player.

1. Rank and Speed settings. Set before a run starts. Rank settings do not work outside Practice mode.
2. Lives. Lives are indicated by the heart containers. Max denotes the maximum number you can stock at once, set before the run. The NECESSARY counter tracks Extend progress; when it falls below 0 you earn an Extend.
3. SOL gauge. SOL determines the strength of your main shot and bombs. Levels are from 1 to 5. The number will flash red when a bomb is available.
4. LUNA gauge. LUNA determines your main shot's rate of fire. Has 3 levels, LO/MI/HI. Text will flash blue when HI, indicating maximum fire rate.
5. Subweapon gauge. Indicates the status of your subweapon. The bar indicates subweapon charge, while the rectangles indicate the level of attack available. For option type subweapons, MOUNT indicates the weapon is mounted to your character while INDEPEND indicates that it has been launched.
6. STELLA gauge. Also called rank. Levels go from 1 to 9 to A. The number will flash red when the gauge is filling and blue when it is emptying.
7. Target name. Indicates the name of the last target hit. Can be ignored.
8. TERRA gauge. After being depleted, you will detour to a bonus Segment called the Shrine of Farewell after the end of the current Segment.

The righthand side of the HUD is mostly reserved for scoring info. Players playing for survival may ignore most of this.

9. Autobomb status. If an autobomb is available, it will say so here and state how many you have remaining for the current Segment. Otherwise it will tell you why an autobomb is not available.
10. Spirit counter and gauges. The top counter represents Spirits earned from all previous segments and the bottom shows the amount earned on the current Segment. These numbers are summed at the end of the Segment. The gauges represent decimal values of Spirit gains. A full gauge from top to bottom represents 1, 10, and 100 Spirits. This allows players to easily track Spirit changes of any size, no matter how large their score becomes. If a Spirit BREAKTHROUGH is achieved, the word BREAK will appear next to the word Spirit.
11. Kill counter. This tracks the total number of kills made in a run. Like the Spirit counter, the top number tracks previous segments and the bottom number tracks the current Segment. BREAK will also appear next to Kills for a Kill BREAKTHROUGH.
12. LUNA gem. The value inside the gem tracks the current LUNA Crystal level, which determines their Token value. The number outside tracks how many more crystals need to be collected or lost to change the level.
13. Token counter. Works similarly to the other two scores aside from lacking a BREAKTHROUGH.
14. Timer. Counts the time (in seconds) since the start of the current Segment.
15. FPS counter. Tracks your FPS, to 2 decimal places (ie 6000 is 60.00). At one time it was possible to configure this to also show VRAM usage and Object Count. It is unknown if this is still possible.

Characters / Executors

Hellsinker. features four playable Executor characters, each with vastly different playstyles. Three of the characters are available by default, while the fourth, Kagura, is unlocked by clearing Segment 4 on a single credit.

Executor	Background	Description	Speed?
Deadliar	A mysterious veteran of GRAVEYARD who has a history with Cardinal. Fights alongside the Mistletoe Tobari-Maru.	Focuses on strong but narrow attacks. Relies on his subweapon for coverage who can be freely placed to attack enemies with a small area-of-effect. His huge, high-power Discharge is his only tool for mass destruction, which can be manually delayed while still providing invincibility.	5.7px/frame
Fossilmaiden	A particularly sickly member of GRAVEYARD who has formed a symbiotic bond with her Mistletoe, Saraba-Maru.	Has a wide variety of specialized attacks, from melee range to covering extremely large areas of the screen. Can aim in 8 directions. Challenging to use haphazardly. Two Discharges: a powerful bomb that flies up the screen, and an invincibility cloak with no offensive component.	4.5px/frame
Minogame	A hermaphroditic artificial sokushinbutsu confiscated by GRAVEYARD. Powerful enough to fight without a Mistletoe or equipment.	Unusual toolset focusing on strong area-of-effect attacks, invincibility, and auras. Very good at getting out of tight spots. Discharge is a more genre-typical all-range, long-duration, high-commitment attack.	5.3px/frame
Kagura / Kagura-Maru	A Mistletoe used as a living weapons platform after being crippled by feedback from Minogame.	Four distinct load-outs. While very varied, these are generally more "familiar" to other shmups than the other Executors, sharing a greater emphasis on the main shot weapon and less (ab)use of invulnerability.
	散神無 Chirijinmu Moon Cradle (Multi-Trajectory Shell)	All-rounder whose every weapon features some kind of lingering hurtbox. The best at continuous reckless shooting. Has two manually aimable subweapons, and weak Discharges that only cost 2 SOL rather than emptying the gauge. Resembles ESP Ra.De.	5.3px/frame
	劫殺 Gousetsu Ecliptic Chariot (External Gunner)	Wields an external, three-pronged turret that can be launched and retrieved freely. Resembles Dragon Blaze.	Docked: 5.7px/frame Undocked: 4.1px/frame
	緋輪 Himawari Infernal Sabbath (Variable Gun)	High power main shot and no distinct subweapon; instead, the subweapon button controls the spread of the main shot. Discharge is a traditional circular "nuke" bomb. The only character with no way to attack backwards. Resembles the shot weapon from V-V.	4.9px/frame
	神弥 Omiwatari Xanthez (Anti-Bacillus Saber)	Experimental type with extremely high destruction potential limited by conditional gimmicks. Powerful, auto-aiming main shot that requires periodic reloading. Short-ranged blade weapons deal more damage with each physics object collided with; this includes some enemy bullet types, potentially stacking up to massive counterattacks. Has the most damaging and least defensive Discharge attack, a narrow laser beam.	6.1px/frame

Resources

Lives

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The player starts with four lives. The Way of Life setting can change the maximum life cap to 6 (Moderately), 7 (Prudently), or 5 (Drastic). Please note that the game ends when you are hit with only one life icon left, not when you have zero; as such, it is better to think of your life icons as "hit points" rather than "spare lives" or "shields".

Extend progress is displayed by the NECESSARY counter, with an Extend being earned when NECESSARY falls below 0.

Item / Trigger	Effect on NECESSARY
Life Chip	-1
Ingot	-0.05
LUNA Crystal	-0.004
Reliquia	-0.05
Per frame, before boss warning	-0.0008, or -0.0016 if on last life
Per frame, Segment 8 boss	-0.001
Starting a new Segment	-4
Losing a life	-2
Losing a life after a recent death	Additional -2
Per frame REGEN ASSIST is active	-0.0064?
Blue crystallized spirit sh.	-0.5
Red crystallized spirit sh.	-2

^sh. Shrine of Farewell exclusive items.

Gaining an extend when at the life cap grants an Immortality bonus, awarding increasing quantities of Spirits with each bonus. Playing with a reduced life cap gives the player the opportunity to earn one or two extra Immortality bonuses at the cost of safety.

How quickly individual Executors gain Extends is determined by their Life Scale and Expand attributes. Life Scale is the starting value of NECESSARY. Every time an Extend is earned, the base value increases by the Expand value. Characters with high Expand values will find their Extends becoming comparatively rare in the late game. The base value is reset when either type of BREAKTHROUGH is achieved.

Executor	Life Scale	Expand
Deadliar	20	+2
Fossilmaiden	18	+3
Minogame	23	+1
Kagura (Moon Cradle)	22	+1
Kagura (Ecliptic Chariot)	19	+2
Kagura (Infernal Sabbath)	28	0
Kagura (Xanthez)	16	+3

SOL and LUNA

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Discharges and main shot power are governed by the SOL gauge. SOL is measured in levels 1 to 5. A minimum of 3 SOL (or HI) is required to use a Discharge, with higher levels producing a more powerful and longer-lasting bomb. For all shots except Moon Cradle, performing a Discharge sets SOL to level 1. For Moon Cradle, Discharge lowers SOL by 2 levels; in this case the offensive component of the Discharge does not change with SOL level, but the invincibility time still varies. The SOL gauge refills over time, or by gathering SOL Pieces.

The LUNA gauge affects the rate of fire of your main shot. It is drained by firing your main shot, and recovers when not firing it. Different characters have different rates of LUNA efficiency on their shots, with alternate shot modes such as NARROW PIERCING or OVER FIRING draining LUNA at further different rates. Kagura can sustain her LUNA while shooting by pointblanking (in the case of Moon Cradle, almost indefinitely). The lower SOL is, the faster the LUNA refill rate. LUNA can also be refilled by collecting the various LUNA-related items.

Fossilmaiden works differently to the other characters. She has only LO and HI levels of both SOL and LUNA. She can shoot indefinitely and only expends LUNA to use her Breaking Chain attack. In exchange, she recovery of either resource from items is halved.

Subweapon Gauge

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The subweapon gauge determines the power (and in some cases, the type of attack) of your subweapon. It has 2 levels, is expended when you fire your subweapon, and fills when you are not using your subweapon. How the gauge behaves is character-dependent:

Executor	Subweapon behavior
Deadliar	Firing main shot gradually depletes it from level 2 to level 1
Fossilmaiden	Fills from level 1 to level 2 while subweapon button is held (may be purely visual?)
Minogame	Firing main shot gradually depletes it from level 2 to level 1
Kagura (Moon Cradle)	Unaffected by shot, only charges to level 1, grenade subweapon can be manually charged to level 2 or 3
Kagura (Ecliptic Chariot)	Instantly sets to level 1 when firing main shot, charges to level 2 very slowly
Kagura (Infernal Sabbath)	Doesn't use it
Kagura (Xanthez)	Instantly sets to level 1 when firing main shot

STELLA (Rank)

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The Hellsinker. rank system is termed STELLA, ranging through 10 levels from 1 to A. The beginning of a run always sets the STELLA gauge to 1 (adjustable for practice mode only in the options) and a proportion of your ending STELLA is lost at the beginning of a new Segment. Maximizing STELLA is extremely important for Spirit scoring as it scales all sources of incoming Spirits and also enhances Spirit-relevant enemy attacks, such as the number of destructible bullets and the length of grazable needle bullets. Most Segments feature a specific trick early on for reaching maximum STELLA quickly.

The practical consequences of STELLA on the game's difficulty are small, with the exception of a couple of bosses using completely different patterns at differing levels.

Actions which will increase STELLA:

• Not getting hit for at least 20 seconds (effect scales upward until 90 seconds^?)
• Picking up green STELLA items, LUNA Chaff, Comets or Reliquiae
• Picking up large quantities of other items
• Collecting 10+ Spirits in a short time
• SEALing enemies (more effective on bosses, scales with the quantity of enemies on screen^?)
• Hitting things rapidly
• Grazing
• Staying at the top of the screen

Actions which will decrease STELLA:

• Getting hit
• Getting hit more than once within 30 seconds
• Picking up pink STELLA items
• Cancelling bullets with Discharge
• Stalling and cancelling bullets with the Suppression Radius
• Staying at the bottom of the screen

The minimum amount of STELLA preserved after completing a Segment increases over the course of the game dependent on your end-of-stage SURVIVABILITY award and your number of lives at that time.
The amount of STELLA lost after completing a Segment also increases dependent on your overall survival performance and number of Extends gained. Notably, autobombing can reduce the amount of lost STELLA without penalizing the minimum preservation level.
A detailed analysis of STELLA preservation mechanics can be found in this post.

TERRA

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The TERRA gauge determines the timing of the player's visit to the Shrine of Farewell, a special bonus Segment. TERRA begins at its maximum of 240; the player is sent to the Shrine after it reaches 0. TERRA will not fall on Segments 1B and 2B. As the Shrine has massive Spirit scoring ramifications, when Spirit scoring it is vital to avoid taking unnecessary hits in order to delay the Shrine's appearance for as long as possible.

Event	Effect on TERRA?
Autobomb	At least -6
Losing a life	At least -10
Losing a life after a recent death	At least -20
Losing a Life Chip	-1
Losing a Revive item	-25
Losing other items except LUNA Droplets	-0.01
Exiting a Segment	Falls, varies with settings/performance
Exiting Segment 5	Additional -15
Exiting Segment 6	Additional -30
Exiting Segment 7	Additional -380
Gaining an Extend	+7
Collecting a Reliquia	+0.05 on Segment 3L, else +0.2
Destroying KAREIDOSCOPE once (FATE CONTROL)	+3

Items

Hellsinker. features 14 items (termed Relics) that govern score and gameplay. There is a hard limit of 512 simultaneous items; items spawned past this limit will not appear.

Item	Description
SOL Piece	Slightly increases SOL. Dropped by many enemies, often en mass. Horizontal trajectory is slightly magnetized to the player.
LUNA Crystal	Primary Token scoring item. Flies upwards instead of falling down. Dropped by most enemies. Will increase in level if collected consecutively, and fall in level if lost consecutively. Fills LUNA somewhat and contributes marginally to Extend progress (1/250 NECESSARY). Can be collected in a small radius if the main shot button is not being held down, and can be auto-collected from the entire screen by using Discharge.
LUNA Droplet	Secondary Token scoring item. Generated when a target is destroyed with enemy bullets nearby to it (range based on enemy hitbox size). Contributes to the gem level but will not cause it to degrade if lost. Token value is reduced to 1/4th during boss fights. Provides 1/5th as much LUNA recovery as a crystal.
Frozen Crystal	Bonus Token scoring item. Generated from bullet cancels after killing specific enemies. Automatically collected. High Token value.
LUNA Chaff	Generated when destroying bullets with the Suppression Radius. Refills LUNA by a small amount and increases STELLA. No Token value.
Life Chip	Contributes to Extend progress, worth 1 NECESSARY. Dropped by specific enemies. Horizontal trajectory is slightly magnetized to the player.
Ingot	Spirit scoring item. Generated from some bullet cancels, typically after killing a boss. Worth 0.2 Spirits and 0.05 NECESSARY (1/20).
Crystallized Spirits	Spirit scoring item. Appear at the end of the Shrine of Farewell dependent on player performance. Either type is worth 0.5% of total Spirits earned before entering the Shrine. Blue crystals are worth 0.5 NECESSARY and red crystals 2 NECESSARY. Magnetized to a spot below the player with a randomized offset?.
Reliquia	Worth 0.05 TERRA on Segment 3L, otherwise worth 0.2 TERRA. Also worth 0.05 NECESSARY and has a medium Token value. Raises STELLA. Moves very quickly but is significantly magnetized to the player. Typically dropped by multi-part enemies.
Young STELLA	Rank control item. Raises STELLA level by 1 immediately, and then further over time. Appear in fixed places. Can appear in groups when fulfilling stage-specific conditions.
Old STELLA	Rank control item. Lowers STELLA over time. Appear in fixed places, or when activating SELF ECLIPSE by continuously stalling bullets with the Suppression Radius.
Comet	Rank recovery item. On player death, 1 is dropped per STELLA level lost. Increases STELLA by 0.75 levels.
Revive	Instantly grants an extra life if the player is below max lives. Does not grant an Immortality bonus or affect the Extend count.

Common Mechanics

Speed Control

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Set before a run. Determines player speed behavior. This setting has no effect on Fossilmaiden.

• Automatic: Move at 50% speed while the shot button is held (20 frame delay)
• Momentary: Move at 50% speed while the slow button is held (instant)
• Alternative: Toggle 50% speed when the slow button is pressed
• Triphase: Cycle though full speed, 82% speed and 64% speed when slow button is pressed

Bootleg Ghost

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Set before a run. Determines autobomb behavior. Autobombs can triggered up to three times per Segment.

• Aspirant: Autobombs will only activate if the SOL gauge is 5 and the player has less than 4 lives.
• Solidstate: Autobombs will activate any time Discharge is available.
• Adept: Disables autobombs entirely. Additionally:
  • Changes the activation of the Suppression Radius, which now only activates when the main shot button is held, and activates faster.
  • Changes the graze range behavior for most characters. Details in the strategy subpage.

Suppression Radius

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All characters have a Suppression Radius which is activated by not firing the main shot for 60 frames, or by holding the shot button for 20 frames in Adept. The Suppression Radius takes the form of a light blue circle around the character. It slows down many types of bullets and, for a smaller number of them, will eventually destroy them entirely. Blocking bullets with the Suppression Radius causes STELLA to fall, and destroying them produces small LUNA Chaff items which will more than recover the lost rank if collected.

Fossilmaiden's suppression aura works differently as it is only active while her subweapon button is held down. It is much smaller than the other characters', and does not change with Bootleg Ghost setting.

Collision

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In a departure from the genre, colliding into walls or enemies in Hellsinker. does not kill you. Instead, you will be knocked back a certain distance away from the object collided with. If you are in a position to get knocked back several times (for example, wedged between two objects) your movement can become quite erratic. This encourages aggressive gameplay, as making a mistake and getting too close won't kill you (unless you get knocked back into a bullet). Additionally, any time the player character is invulnerable, they are also immune to knockbacks.

Many small enemies, parts etc. do not have any collision at all and can be moved into safely. Some enemies will still cause death on collision; technically, this is accomplished by such enemies having invisible bullets constantly inside them.

Sealing Enemies

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When you approach certain enemies, a box featuring the word SEAL will appear on them. Enemies sealed in this manner cannot fire as long as you remain close to them as well as for a few moments after you move away. This also encourages aggressive play rather than waiting for enemies to fly down to you. The sealing radius is the same for all eligible targets and can be visualized by enabling Emphasize:Seal Zone under Info Augmentation before starting the game. (note: the visualization does not function during the tutorial)

UNCHAIN

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Enemies marked with MASTER can be seen connected to multiple other enemies with red lines (SLAVEs). Destroying the MASTER will UNCHAIN the SLAVEs, causing them to self-destruct.

UNCHAINing is important to Spirit scoring. In addition to granting increasing numbers of Spirits for each self-destructed SLAVE, some SLAVEs will drop Life Chips or fire revenge needles to be grazed, which can contribute very large quantities of Spirits. The total number of UNCHAINed enemies also improves the Spirit Pooling rate. Occasionally the reverse is true and killing the SLAVEs individually is more profitable.

UNCHAINed enemies do not contribute to the player's Kills, so when playing for Kills one must instead avoid most UNCHAINs and kill the SLAVEs individually.

BREAKTHROUGH

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When reaching a certain threshold of Spirits or Kills a BREAKTHROUGH will occur. The first BREAKTHROUGH occurs at 5200 Spirits or 2500 Kills (whichever comes first), and the second at 6200 Spirits or 5000 Kills (whichever wasn’t the first breakthrough). Achieving a BREAKTHROUGH has several effects:

• Grants an Extend. If the player is at maximum lives, grants an Immortality bonus plus 200 or 160 extra Spirits.
• Causes a bullet cancel immediately and an Ingot cancel 65 frames later.
• Resets the NECESSARY value for Extends to its starting value, accelerating further Extends.

Carefully timing BREAKTHROUGHs for maximum Extend efficiency is worth considering in advanced scoring.

Cancellation Stars / Phantom Bullets

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Mundanely cancelled enemy bullets (e.g. during a Discharge) turn into harmless white stars which persist for 30 frames, serving as a way to inform the player of bullet trajectories while enemy attacks are being negated. If an item cancel occurs during this situation, the stars convert into items just like active bullets do. This can enable more greedy Ingot cancels when finishing off bosses or Freeze cancels when Token scoring. Unlike real bullets, killing enemies near stars will not create LUNA Droplets.

Shrine of Farewell

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One of the doors in the waiting room of Shrine of Farewell. The boss order shown here is Temperament Nil, Million Lives, Al4th, and finally Nine Lives.

After TERRA is depleted, the player will detour to the Shrine of Farewell on the next Segment transition. The Shrine is a boss rush stage, featuring 4 bosses and 4 interstitial enemies. The order of appearance of the bosses is determined by which of the 24 doors the player selects at the beginning.

Once the player has selected a boss order and entered the Shrine proper, some special rules apply for the duration of the boss rush:

• All Spirits from prior stages are Dozed Out and taken away.
• Irrespective of performance, the boss rush lasts for 260 seconds.
• The player has infinite lives. NECESSARY is frozen. Autobombs do not function.
• Each boss has 3 patterns, and each interstitial Kaname Stone enemy has one.
• Each pattern defeated awards a CRYSTALLIZE value depending on the STELLA level at the time.
• Bombing a Kaname Stone voids its CRYSTALLIZE entirely.
• Defeating all 16 patterns before the time runs out awards a final, bigger CRYSTALLIZE, and begins an extra sequence of many Scary Stupa enemies until the time depletes.

When All Rerics Are Sunk, Ozzed Spirits Return in the form of Crystallized Spirits, one for each CRYSTALLIZE achieved, to a maximum of 424. Each crystal is worth 0.5% of the total Spirits prior to entering the Shrine, for a maximum return of 212% Spirits. The crystals are also worth a large amount of NECESSARY, resulting in lots of Extends that will refill any missing lives and further improve Spirit scores with Immortality bonuses.

Because of the huge implications of the Crystallized Spirits multiplier, Spirit scoreplayers need to ensure the Shrine appears at its latest opportunity (after Segment 7) and avoid dying or carelessly bombing to maximize crystal count. Players aiming for Kills or Tokens will value speeding past the bosses to reach the Scary Stupa area as soon as possible.

Continuing

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Hellsinker. offers one Continue upon running out of lives. Using the Continue will skip some following Segments and send the player to a false Segment 8, kicking them back to the title screen before the final boss. Additionally, completing the Shrine of Farewell will disable the Continue. In effect, it's functionally impossible to clear the game via Continue, and the option only exists to give a struggling player a bit more practice.

Scoring

Hellsinker. tracks 3 different, very distinct, scores: Spirits, Kills, and Tokens.

Spirits

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Familiar but convolutedly multi-faceted scoring.

Important specifics to Spirit scoreplay include:

• Maintaining STELLA level A at all times
• Perfect survival to maximize Immortality bonuses and Crystallized Spirits
• Grazing
• Milking enemies for Inner Spirit value or tick points
• UNCHAINing enemies for extra Life Chips, enhanced Spirit Pooling rate, and direct Spirits
• Ingot cancels
• Shooting destructible bullets
• Crystallized Spirits collection technique (not relevant to all characters)

See the Spirit section on the Strategy subpage for more information.

Kills

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Kill things number go up.

Important specifics to Kill scoreplay include:

• Destroying all parts of every enemy
• Killing SLAVEs instead of UNCHAINing them
• Speedkilling to spawn more enemies
• Waiting to kill things so they create extra things to kill
• Speedrunning Segment 4 and Shrine for more enemies

See the Kill section on the Strategy subpage for more information.

Tokens

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All of the bullets are coming with me.

Important specifics to Token scoreplay include:

• Collecting LUNA Crystals and Reliquiae
• Timing enemy kills to create LUNA Droplets
• Frozen Crystal bullet cancels
• Manipulating enemy movement and bullets with the Suppression Radius for bigger cancels or more Droplets
• Strategic bombing or dying for item collection or repositioning
• Efficiently managing time on bosses to minimize Token decay
• Speedrunning Segment 4 and Shrine for more cancels and Droplets

See the Token section on the Strategy subpage for more information.

Unlocks & Obscurities

Unlocks

Hellsinker. contains many hidden features that must be unlocked by making progress in the game such as extra game modes, new title screens, and goodies like a cutscene viewer and music room.

Unlocked by clearing Segment 4 without continuing:

• Title Screen 2.
  

  Title Screen 2.
• Kagura, a fourth playable character.
• Segment Location, a practice mode. In order for a Segment to be unlocked in practice mode, you must reach (but not necessarily defeat) a Segment's boss, without continuing.
• Segments 1 through 3 Lead. These Lead segments are harder than the default versions (now called Behind) but offer greater scoring opportunities as a result. They can be freely selected in full runs.

Unlocked by clearing Segment 7, continue allowed:

• Title Screen 3.
  

  Title Screen 3.
• Short Mission, an abbreviated run of the game. Short Mission is truncated to 5 segments instead of 8 and allows players to pick them from a series of groupings. Progress made in Short Mission counts for the purposes of unlocks such as Segment Location or beating the game.

Unlocked by defeating the True Last Boss:

• Extra Segment 1, The Great Majority. Extra segments are selected from the title screen and take place after the events of Full Sequence Order in order to expand on the story. The Great Majority is a score attack based Segment.

Unlocked by clearing The Great Majority:

• Extra Segment 2, The Way of All Flesh.

Unlocked by clearing The Way of All Flesh:

• Title Screen 4. Additionally, title screens can now be freely changed in options.
  

  Title screen 4.
• Strategy Recorder, a cutscene viewer. Strategy Recorder features extra cutscenes not seen during gameplay.

Unlocked by viewing all cutscenes in Strategy Recorder, then closing the game:

• Sound Memoir, a music room. A final cutscene will play when you close the game, thanking you for your efforts. Congratulations!

Easter Eggs

• Letting the Segment 4 boss time out with all of its parts intact will cause it to drop 6 Revives before leaving.
• Letting the Segment 7 boss time out with one life remaining will cause a unique bad ending.
• In the 1.009 version of the game, the Shrine of Farewell bosses display distorted cut-up dialogue messages at the start of each pattern. This is absent in the Steam version for unknown reasons.

Trivia

• Much of the game's language and terminology, and some of the enemy designs and music, are derived from the developer's previous game, Radio Zonde.

References & Resources

1. Beetle-Omiwatari's Youtube
2. Hellsinker. Personal Manual guide (JP and ENG)
3. Ruminant's Whimper Wiki (JP)
4. Draft HellSinker ST by Zaarock (ENG)