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Player counts over time, as we observed them.
Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology
Infinite Rhythm Action. Join Ace and PZO-116 as they repel alien invaders whose only weakness is music. Battle using any song from local files or online video with automatic beatmap generation. Nail the perfect run and top the leaderboard on your favourite tracks. Your music will save the world.

| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| October 2026Oct 2026 (from 25 Oct) | 0 | — | — | 0 |
Average and peak concurrent players each month, and the change in average players from the month before.