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Wake up in the world of Lockstone Mountains as the main Pilot of the Rook expedition. Explore the world, complete quests and gather materials to research new technologies, ships and weapons. Powerful enemies and intriguing mysteries await in the Lockstone Mountains.

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