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Cellfish

Cellfish

Collect food to evolve and fight for your life against enemy cells in this deep underwater, survivor-like, roguelite experience. Unlock parts to customize your character and become your own unique cell.

Released Mar 1, 2024 Developer BRTL Games Platforms Windows Action RoguelikeActionCasualSingleplayerPixel Graphics
View on Steam ↗ $4.99 (US · as of 2026-05-18)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

79.2%positive53 reviews
Not recommended · 0 found this helpful

“_”

— a player, Steam review · 21 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

34achievements
7.6%median completion
0.8%rarest: Double Mines
98.1% of players 70.9% of players 67.5% of players 64.1% of players 63.7% of players 61.2% of players 43.6% of players 35.5% of players 31.8% of players 27.0% of players 18.2% of players 17.3% of players 12.7% of players 12.2% of players 8.9% of players 8.5% of players 7.9% of players 7.6% of players 6.4% of players 4.4% of players 4.4% of players 4.4% of players 4.0% of players 3.7% of players 3.6% of players 3.3% of players 2.7% of players 2.6% of players 2.3% of players 2.1% of players 1.0% of players 0.9% of players 0.9% of players 0.8% of players 98.1% 0% most earned rarest
Almost everyone has
98.1%Treading water — Lose 1 time
70.9%Sinking — Lose 5 times
67.5%Beginner — Win 1 time
Rarest badges of honor
0.8%Double Mines — Win using the mines ability in the Double Trouble gamemode
0.9%Double Explode — Win using the explode ability in the Double Trouble gamemode
0.9%Double Boomerang — Win using the boomerang ability in the Double Trouble gamemode

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

May 16, 2024
Patch 1.1.4

A previous patch made it so obstacles inside a boss arena would be destroyed, and kept respawning. This patch makes it so obstacles are not destroyed, only disabled, fixing the issue.

May 15, 2024
Patch v1.1.3 - Destroy obstacles more consitently

Bosses that create arenas now continuously destroy obstacles inside them Fixed an issue where the crystal eyes would spawn with a pink pupil in some instances

May 15, 2024
Patch v1.1.2 - Screen resolution

Fixed an issue where screen resolution was not applied or saved correctly

May 13, 2024
Patch v1.1.1 - Hotfix

Fixed an issue where settings in the Options menu, and selected ability was not saved correctly

May 13, 2024
Patchnotes v1.1.0 - Content Update

Hi :) After the release of Cellfish I received a bunch of wonderful feedback about the game; enough that I thought: “I should add some of these things”. So I did. I’ve been hard at work adding more co

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresAction, Casual, Indie
Player tagsAction Roguelike · Action · Casual · Singleplayer · Pixel Graphics · 2D · Character Customization · Rogue-like · PvE · Combat · Indie · Relaxing (SteamSpy community voting)
FeaturesSingle-player · Full controller support · Gamepad Recommended · DualShock Controller Support · DualSense Controller Support · Family Sharing
LanguagesEnglish
ControllerFull support
Achievements34
Minimum system requirements (PC)

Minimum: OS: Windows 10 Processor: x86, x64 architecture with SSE2 instruction set support Memory: 4 GB RAM Graphics: DX10, DX11, DX12 capable DirectX: Version 10 Storage: 150 MB available space