RimWorld

Sci-fi colony sim where an AI storyteller drives survival

Ludeon Studios · Released Oct 17, 2018

Reviews: Overwhelmingly Positive; 98% of 247K
Recent reviews: Overwhelmingly Positive; 96% of 1,458 in 30 days
Playing now: 23K; right now
Steam Deck: Verified
Last update: 3 months ago; Jun 8, 2026

What is RimWorld?

A single-player sci-fi colony simulation about three shipwreck survivors on a generated distant world. You manage colonists’ needs and relationships, build and craft, defend the settlement, trade, and send caravans while an AI storyteller controls events.

For you if...

+you enjoy open-ended base building and detailed colony management
+you want colonies shaped by unpredictable events and personal stories
+you value extensive mod support and varied play styles

Not for you if...

−you dislike micromanaging colonists’ needs, moods, and work
−you prefer predictable scenarios over event-driven sandbox play

What players say

98% of 246,623 reviews are positive · 96% of 1,458 in the last 30 days

Players praise the freedom to build very different colonies, along with the replay value and mod support. The most common complaint is the combined cost of the expansions; some players also find the base game thin without them.

Screenshots and trailer

RimWorld system requirements

As published by the developer.

Minimum

OS: Windows 7
Processor: Core 2 Duo
Graphics: Intel HD Graphics 4000 or other shader model 4.0
Memory: 4 GB RAM
Storage: 1 GB available space

PC version details

DRM, required accounts, controller support and Steam features.

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS, Linux
Steam features: Workshop, Cloud saves, Family Sharing

Steam Deck: Verified

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

Multiplayer and co-op

Single-player

Languages

Text only: English, French, German, Polish, Russian, Italian, Spanish - Spain, Czech, Danish, Dutch, Hungarian, Japanese, Norwegian, Portuguese - Portugal, Portuguese - Brazil, Simplified Chinese, Swedish, Traditional Chinese, Turkish, Ukrainian, Finnish, Korean, Romanian, Spanish - Latin America.