Chronos Builder

Tabletop mapmaking software with procedural rooms across fantasy and sci-fi

Mistwall Studio · Released Dec 5, 2022

Reviews: Mostly Negative; 36% of 58
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 1 year ago; May 6, 2025
Minimum PC: HD 5770; 4 GB RAM · 4 GB disk; Full requirements

What is Chronos Builder?

Chronos Builder is a 3D map editor for tabletop role-playing games. You draw room shapes on a grid, customize generated walls and furnishings, move and resize objects, and sculpt terrain. Settings include cyberpunk, Victorian, Eastern, and medieval fantasy, with adjustable weather and lighting and options to share or download maps.

For you if...

+you prepare custom environments for tabletop role-playing sessions
+you want to combine assets from different settings

Not for you if...

−you want a playable RPG rather than a map editor

What players say

36% of 58 reviews are positive

Players praise the variety of themes and decorative assets. They commonly criticize the interface, camera controls, and object placement. Recent reviewers also say room regeneration only swaps props and report a prolonged lack of updates.

Screenshots and trailer

Chronos Builder system requirements

Minimum: HD 5770, 4 GB RAM, 4 GB of disk space.

As published by the developer.

Can my PC run Chronos Builder?

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Minimum

OS: Windows 7+
Processor: Intel i5-650 or AMD Phenom II X4 973
Graphics: Geforce GTS 450 or Radeon HD 5770
Memory: 4 GB RAM
Storage: 4 GB available space
DirectX: Version 12

Does Chronos Builder have co-op or multiplayer?

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

Single-player

Does Chronos Builder run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS
Steam features: Family Sharing
Languages: Text only: English, French, German, Spanish - Spain.

Does Chronos Builder 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 28, 2026. How to filter AI games on Steam