Undungeon

An action RPG with organ implants that change your abilities

Laughing Machines · Published by tinyBuild · Released Nov 18, 2021

Reviews: Mixed; 69% of 257
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 4 years ago; Jan 13, 2022
Minimum PC: GTX 750; 8 GB RAM · 10 GB disk; Full requirements

What is Undungeon?

Undungeon is a 2D action RPG set among alternate Earths merged by a catastrophe. As a Herald helping repair the damage, you explore an open world, fight with melee and ranged attacks, and trade with its inhabitants. Between missions, you return to an interdimensional base to recover and prepare.

For you if...

+you enjoy lore-heavy science fiction and choices that affect characters

Not for you if...

−you want cooperative play rather than a solo adventure

What players say

69% of 257 reviews are positive

Players praise the pixel art and character designs. Complaints focus on slow combat and punishment for taking damage, though an experienced player notes that the enemy damage boost can be disabled in settings.

Screenshots and trailer

Undungeon system requirements

Minimum: GTX 750, 8 GB RAM, 10 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7 and up
Processor: 2Ghz and up
Graphics: GTX 750
Memory: 8 GB RAM
Storage: 10 GB available space
DirectX: Version 11

Does Undungeon have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Undungeon run on Steam Deck?

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

Some in-game text is small and may be hard to read
All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 24
Steam features: Family Sharing
Languages: Text only: English, Russian.

Does Undungeon 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