Compare Jelly Killer prices across 50+ stores and find the best deal. Developed by Immortal Game Studio. Published by Immortal Game Studio. Released on 3/24/2016. Available on PC, Mac, Linux. Genres: Action, Adventure, Casual, Indie.

A pocket-sized retro platformer where you slip between human bodies like a ghost with teeth - charming pixel craft, low stakes, and mercifully short at under three hours.

I have a soft spot for the kind of game that fits inside a lunch break and doesn't apologize for it. Jelly Killer is exactly that: a compact, pixel-art platformer from Immortal Game Studio where you play as a sentient, shapeless bioweapon that escaped a military lab in the distant future, and your only tool for survival is slipping inside the bodies of whoever crosses your path. It's a weird little premise, and the game wears it with genuine commitment. The possession mechanic is the whole show here. Rather than giving you a single character with an expanding moveset, the game hands you five distinct hosts to inhabit across 54 levels - a Security Guard, a Cyborg, a Workman, a Jetscout, and a General, each suited to different obstacle configurations. Swapping between them isn't just flavor; it's the puzzle. The levels themselves are tightly constructed gauntlets of lasers, spikes, dropping metal heads, and automated gun turrets. None of it is particularly cruel. The normal difficulty is forgiving enough that you'll repeat a corridor a handful of times but rarely feel the sting of genuine frustration, which is either a comfort or a disappointment depending on what you want from a platformer. The pixel art is clean and purposeful, with a sci-fi colony aesthetic that doesn't try to be anything it isn't. The chiptune soundtrack has that pleasantly hollow quality you find in smaller indie productions - not memorable in isolation, but it sets the right mood while you're in it, the sonic equivalent of fluorescent lab lighting. The game runs lean, which is a choice I respect. There's a hard difficulty if you want to revisit the same 54 levels with less margin for error, and 16 achievements to chase across a single playthrough. It's not a world you'll get lost in, but it's a world that knows its own edges. The roughness shows in places. Key bindings are fixed, and the community has been asking about custom controls since launch with no resolution in sight. The story is functional backdrop rather than genuine intrigue - you'll absorb the setup in about 30 seconds and then forget it exists. Linearity is total; there are no branching routes or secrets to unearth, just one corridor after another until the credits roll in roughly two to three hours. For some players that's a dealbreaker. For me, it reads as a small game that simply knows what it is. If you've been deep in something sprawling and demanding and you want a clean palate-cleanser with a peculiar hook, Jelly Killer delivers exactly the session it promises. It launched in March 2016 and has maintained a steady positive reception on Steam without ever becoming a conversation piece. That quiet persistence feels appropriate. Not every game needs to shout. Kai, Scout Team

Jelly Killer
ActionAdventureCasualIndie

Jelly Killer

Mar 24, 2016Immortal Game Studio
GamerScout Says

A pocket-sized retro platformer where you slip between human bodies like a ghost with teeth - charming pixel craft, low stakes, and mercifully short at under three hours.

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Screenshots & Media

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About Jelly Killer

I have a soft spot for the kind of game that fits inside a lunch break and doesn't apologize for it. Jelly Killer is exactly that: a compact, pixel-art platformer from Immortal Game Studio where you play as a sentient, shapeless bioweapon that escaped a military lab in the distant future, and your only tool for survival is slipping inside the bodies of whoever crosses your path. It's a weird little premise, and the game wears it with genuine commitment. The possession mechanic is the whole show here. Rather than giving you a single character with an expanding moveset, the game hands you five distinct hosts to inhabit across 54 levels - a Security Guard, a Cyborg, a Workman, a Jetscout, and a General, each suited to different obstacle configurations. Swapping between them isn't just flavor; it's the puzzle. The levels themselves are tightly constructed gauntlets of lasers, spikes, dropping metal heads, and automated gun turrets. None of it is particularly cruel. The normal difficulty is forgiving enough that you'll repeat a corridor a handful of times but rarely feel the sting of genuine frustration, which is either a comfort or a disappointment depending on what you want from a platformer. The pixel art is clean and purposeful, with a sci-fi colony aesthetic that doesn't try to be anything it isn't. The chiptune soundtrack has that pleasantly hollow quality you find in smaller indie productions - not memorable in isolation, but it sets the right mood while you're in it, the sonic equivalent of fluorescent lab lighting. The game runs lean, which is a choice I respect. There's a hard difficulty if you want to revisit the same 54 levels with less margin for error, and 16 achievements to chase across a single playthrough. It's not a world you'll get lost in, but it's a world that knows its own edges. The roughness shows in places. Key bindings are fixed, and the community has been asking about custom controls since launch with no resolution in sight. The story is functional backdrop rather than genuine intrigue - you'll absorb the setup in about 30 seconds and then forget it exists. Linearity is total; there are no branching routes or secrets to unearth, just one corridor after another until the credits roll in roughly two to three hours. For some players that's a dealbreaker. For me, it reads as a small game that simply knows what it is. If you've been deep in something sprawling and demanding and you want a clean palate-cleanser with a peculiar hook, Jelly Killer delivers exactly the session it promises. It launched in March 2016 and has maintained a steady positive reception on Steam without ever becoming a conversation piece. That quiet persistence feels appropriate. Not every game needs to shout. Kai, Scout Team

Tags

singleplayerachievementscontroller-supporttrading-cardstier:sub-5Body PossessionTrap GauntletChiptune SoundtrackFixed ControlsShort CompletionSci-Fi SettingMulti-Host SwitchingLow Frustration

Steam Deck & Linux

Steam Deck Verified

Valve rates this game Steam Deck Verified.

System Requirements

Minimum

OS
Windows XP SP 3
Memory
512 MB RAM
DirectX
Version 8.0
Storage
128 MB available space
Graphics
256 MB graphics
Processor
Intel Core 2 Duo

Recommended

OS
Windows 7 or 8
Memory
1 GB RAM
DirectX
Version 9.0
Storage
256 MB available space
Graphics
512 MB graphics
Processor
Intel Core 2 Duo
Additional Notes
Xinput Gamepad

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Game Info

Developer
Immortal Game Studio
Publisher
Immortal Game Studio
Release Date
Mar 24, 2016

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What platforms is Jelly Killer available on?

Jelly Killer is available on PC, Mac, Linux.

When was Jelly Killer released?

Jelly Killer was released on 24 March 2016.

Who developed Jelly Killer?

Jelly Killer was developed by Immortal Game Studio.