1 store · cheapest $7.99 · source CheapShark
Its record low was $1.59 in June 2026 — $6.40 below today's best price.
All-time low $1.59 on Jun 25, 2026 · source cheapshark
Not enough observations yet. History starts the first time we see this game and grows from there — we never back-fill a price we did not record.
Concurrent Steam players · sampled just now
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Official Steam announcements for this game
Smoother learning curve: access the heart of CHR$(143)!
Historical difficulty of CHR$(143) no longer stands in the way of a deeper discovery of the game Opt for the easier difficulty level, with a smoother learning curve, and go further in the game! Version 1.30 is designed to make the game more accessible with 2 m...
2y ago
CHR$(143) version 1.28: new and improved building strategies!
Version 1.28 has been released :-) This version introduces a fun new feature (which has been much requested...) Four new building strategies have been introduced. These are explained at the end of level 11, but if you have solved it already and don't want to s...
2y ago
New Workshop Level "Shmup!"
This is an original workshop level with a very simple goal: program your CPU to hit as many targets as possible... Easy? Yes, but they move... and fast... Will your program be faster than the targets?
3y ago
A rich and challenging physics-based puzzle /logic /construction /programming game! Master ballistics, fluid mechanics, thermodynamics, chemical and nuclear reactions, use automation bricks, build structures, machines, vehicles, produce power, solve puzzles, pierce the fog and defeat CHR$!
