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You've played rhythm games, but have you ever played a music game? String Theory is a unique audio puzzle game that trains the player to recognize musical chords. Pit your ear against 20 different BGMs, each with 14 different chord variations. Learn to recognize chords played on over 20 different instruments and synthesizers.

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