Fat Baby

Multiplayer sandbox battles where eating makes your baby bigger

Nick, Kieran · Published by No one · Released Dec 24, 2021 · Early Access

As of Oct 28, 2026: -50% right now, $2.99 Early Access, no updates for over a year

Reviews: Mostly Positive; 77% of 177
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 4 years ago; May 14, 2022
Minimum PC: GTX 780ti; 2 GB disk; Full requirements

What is Fat Baby?

Fat Baby is an Early Access multiplayer action sandbox set in a destructible environment. You roam the map eating food and objects as large as cars, spend fat on abilities, and hunt smaller babies to steal their fat while avoiding environmental dangers.

For you if...

+you enjoy silly humor and sandbox destruction

Not for you if...

−you prefer cooperation over fighting against other players

What players say

77% of 177 reviews are positive

Players say it is better with friends. Some complain about the lack of updates.

Screenshots and trailer

Fat Baby system requirements

Minimum: GTX 780ti, 2 GB of disk space.

As published by the developer.

Can my PC run Fat Baby?

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Minimum

OS: 64-bit Windows 7, 64-bit Windows 8 (8.1) or 64-bit Windows 10
Processor: Intel Core i7 4770k
Graphics: GeForce GTX 780ti
Storage: 2 GB available space

Does Fat Baby have co-op or multiplayer?

Yes: PvP online. There is no single-player mode.

Does Fat Baby run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
Default configuration is not performant
In-game text is legible on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Text only: English.

Does Fat Baby use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam