World of One

A dark puzzle-platformer with traps and monsters on small planets

Grimwood Team · Released Jun 8, 2017

Reviews: Mixed; 65% of 66
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 29, 2026
Steam Deck: Untested
Last update on Steam: 5 years ago; Jun 17, 2021
Minimum PC: 8600GT; 2 GB RAM · 2 GB disk; Full requirements

What is World of One?

This single-player 2D puzzle-platformer takes you through small, planet-like worlds as you investigate the mystery behind your isolated life. You jump past hazards, solve puzzles, and fight enemies and bosses across a series of levels, with your actions determining the ending.

For you if...

+you enjoy puzzles that demand careful observation
+you like piecing together a mysterious story

Not for you if...

−you want forgiving platforming without frequent deaths
−you prefer solving puzzles without combat or boss fights

What players say

65% of 66 reviews are positive

Players praise the artwork and eerie atmosphere, while reactions to the puzzles range from appreciation for creative ideas to finding them unengaging. Common complaints focus on awkward controls, jumps requiring exact positioning, and repetitive combat.

Screenshots and trailer

World of One system requirements

Minimum: 8600GT, 2 GB RAM, 2 GB of disk space.

As published by the developer.

Can my PC run World of One?

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Minimum

OS: Windows 7 or Newer
Processor: 1,7 GHz Dual core
Graphics: NVIDIA 8600GT or equal
Memory: 2 GB RAM
Storage: 2 GB available space
Notes: Gamepad or Controller Recommended

Does World of One have co-op or multiplayer?

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

Single-player

Does World of One 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, macOS
Achievements: 38
Steam features: Cloud saves, Family Sharing, Trading cards
Languages: Text only: English, Russian, French, German, Spanish - Spain, Simplified Chinese.

Does World of One 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