CHR$(143)

Physics-based engineering puzzles built around construction, programming, and automation

Nicolas Jean · Released Aug 4, 2021

Reviews: Very Positive; 94% of 77
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 9 months ago; Jan 9, 2026
Minimum PC: 4 GB RAM; Full requirements

What is CHR$(143)?

A single-player, 2D engineering puzzle game about guiding a small group of agents through a lost world in search of an enemy to defeat. Across 72 levels, you gather materials, build structures and vehicles, and construct power plants to supply your machines. There is also an unlockable level editor.

For you if...

+you enjoy experimenting rather than following a prescribed solution
+you like pixel art inspired by early home computers

Not for you if...

−you want quick progress without learning complicated mechanics

What players say

94% of 77 reviews are positive

Players praise the puzzle design and the gradual discovery of new mechanics. Some describe long stretches spent figuring out a level, while one reviewer criticizes the tutorial's repetition and gaps in explanation.

Screenshots and trailer

CHR$(143) system requirements

Minimum: 4 GB RAM.

As published by the developer.

Can my PC run CHR$(143)?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

Memory: 4 GB RAM

Does CHR$(143) have co-op or multiplayer?

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

Single-player

Does CHR$(143) 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, Linux
Achievements: 8
Steam features: Workshop, Cloud saves, Family Sharing
Languages: Text only: English, French, German, Spanish - Spain, Japanese, Portuguese - Portugal, Russian, Simplified Chinese, Italian, Greek, Polish, Romanian, Turkish, Ukrainian, Dutch, Korean.

Does CHR$(143) 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