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Help defend Earth's space base from invading enemy aliens in this incredible game to train reaction and aiming skills. Use your entire arsenal of weapons to destroy enemies of various types. Stand up to protect the planet. Best of luck!

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 20 Oct) | 0 | — | — | 0 |
Average and peak concurrent players each month, and the change in average players from the month before.