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Draw the layers of a silicon chip to build working circuits. Solve 100 puzzles, from wires and transistors to logic, memory, and small clocked machines. Inspect simulated signals, compare your layouts, and experiment freely in Sandbox.

Player counts over time, as we observed them.
Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology
| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| November 2026Nov 2026 (so far) (from 6 Nov) | 1 | — | — | 2 |
Average and peak concurrent players each month, and the change in average players from the month before.