MONOMOON

Nonlinear puzzle platformer with hidden mechanics to figure out

Gentle Giant · Released Nov 11, 2026

Reviews: Very Positive; 99% of 311
Recent reviews: Not enough recent
Players: 970; daily peak, Nov 14, 2026
Steam Deck: Untested
Last update on Steam: 1 day ago; Nov 13, 2026
Minimum PC: Relatively modern dedicat…; 8 GB RAM · 0.3 GB disk; Full requirements

What is MONOMOON?

A single-player 2D adventure set in a small open world. You explore using platforming and point-and-click controls, collect mysterious items, and solve puzzles using clues found within the game.

For you if...

+you enjoy searching for secrets after the credits
+you like exploring at your own pace

Not for you if...

−you want explicit objectives and step-by-step instructions

What players say

99% of 311 reviews are positive

Players praise the puzzle design, animated pixel art, and music. Some report stuttering during play.

Screenshots and trailer

MONOMOON system requirements

Minimum: Relatively modern dedicat…, 8 GB RAM, 0.3 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 10
Processor: 2 GHz
Graphics: Relatively modern dedicated graphics card
Memory: 8 GB RAM
Storage: 350 MB available space

Does MONOMOON have co-op or multiplayer?

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

Single-player

Does MONOMOON run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 15
Steam features: Cloud saves, Family Sharing
Languages: Text only: English, French, Italian, German, Spanish - Spain, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Spanish - Latin America, Traditional Chinese, Arabic, Turkish, Ukrainian.

Does MONOMOON 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 Nov 12, 2026. How to filter AI games on Steam