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Build mechanical computers and watch marbles drive them. See data processing happening, witness how cleverly arranged switches create all basic functions of a microprocessor, invent ways to add, compare, divide, multiply, substract, do logic, create patterns and much more through the 59 puzzles!
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Social Deduction Fest ends
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