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Brain School is chill card-based deduction game. A set of playing cards are shown face down: 🃏🃏🃏🃏🃏 Solve the code by asking questions such as "What is the sum of the face cards?" or "Where are cards with the same value?" and unlock new items that will help solve increasingly harder rounds.

Player counts over time, as we observed them.
Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology
| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| October 2026Oct 2026 (from 24 Oct) | 0 | — | — | 0 |
Average and peak concurrent players each month, and the change in average players from the month before.