CHR$(143): A Complex Automation Puzzle in a Lost World

9/10/2026, 10:05:08 PM

Release date: 8/4/2021

Tags: #automation #building #physics #puzzle #programming #logic #2d #pixel-graphics

User Reviews

Score: 96%Very Positive
Review Count: 82 reviews
Fetched At: 9/10/2026, 10:05:09 PM

Reference prices

Japan

¥ 820 (JPY)

Steam JP

$7.99 (USD)

Steam

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: ¥ 820
Global Price: $7.99
Price in Your Region: ¥ 820Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 11 Sept 2026
Sale Status: Regular pricing
Price Checked At: 9/10/2026, 10:00:09 PM

Key highlight

CHR$(143) is a complex 2D automation and physics puzzle game where players guide agents to build structures, machines, and power plants in a Lost World. It features 72 levels plus a user editor and is praised for its dep

Who this is for

For those who relish a deep, engaging puzzle experience that rewards logical thinking and creative engineering, CHR$(143) is a standout title. Its deceptively simple visuals hide a complex world of automation and physics that players must master. With 72 built-in levels and a user-created level editor, the challenges and creative possibilities are vast. Highly recommended for patient builders and problem-solvers.

Details

Overview

CHR$(143) invites players into a seemingly simple yet deeply complex Lost World, where the core gameplay revolves around guiding a small group of "agents." This engineering puzzle game, developed and published by Nicolas Jean, challenges you to master movement, understand intricate physical properties, and manage resource stocks. As you progress, you'll build elaborate structures, machines, and vehicles, all while engineering various power plants to meet escalating energy demands. The journey involves exploration, sometimes through a "fog of war," to confront an enemy that destiny requires you to defeat.

Highlights

Deep Engineering Puzzles: The game features 72 built-in levels, with an unlockable User Level Editor for endless creativity and challenge.
Complex Systems: Despite its basic 2D pixel graphics, CHR$(143) offers a high degree of complexity in its automation, physics, and logic systems.
Multi-faceted Gameplay: Players must manage resources, build intricate contraptions, and engage in exploration and combat within its unique world.

Who It's For

This game is ideal for players who enjoy deep, challenging puzzle experiences and appreciate the intricacies of automation and engineering. If you like games that require logical thinking, resource management, and creative problem-solving, CHR$(143) will likely captivate you. Fans of physics-based puzzles and building simulations will find a lot to love here.

Game Info

Developer: Nicolas Jean
Publisher: Nicolas Jean
Release Date: August 4, 2021
Genres: Automation, Building, Physics, Puzzle, Programming, Logic
Features: Multi-player, Steam Achievements, Steam Workshop, Steam Cloud
Languages: English, French, German, Spanish, Japanese, Portuguese, Russian, Simplified Chinese, Italian, Bulgarian, Polish, Romanian, Turkish, Ukrainian, Dutch, Korean
User Reception: Very Positive