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Fhtagn Simulator is a Cthulhu Roulette Deckbuilder. Set up card slots on roulette to maximize card's value. Collect evil creatures, spells, items and environment to build your deck. Your ultimate mission is to sacrifice spirit collected by cards to unseal the ancient gods that have come to earth!

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) | 1 | — | — | 1 |
Average and peak concurrent players each month, and the change in average players from the month before.