Mewgenics Peaks at 115,428 Concurrent Players on Steam

Mewgenics, a tactical roguelike game centered on breeding mutant cat armies for turn-based battles against Olympian foes, has shattered Steam records just days after its February 10, 2026, launch on PC. Developed by Edmund McMillen and Tyler Glaiel, known for The Binding of Isaac and other indie hits, the title reached a peak of 115,428 concurrent players over the weekend, surpassing the previous high for roguelikes set by Hades 2 at 112,947 players.

The game's rapid ascent caught even its creators off guard. Glaiel announced on social media that Mewgenics recouped its development budget within three hours of release. By the following day, it had sold 500,000 copies in 36 hours, and within the first week, sales exceeded 1 million units. These figures propelled the game to the number two spot on Steam's bestsellers list, outpacing multiplayer titles like Overwatch in simultaneous players at one point, despite being a single-player experience. On Steam, it has garnered 89 percent positive reviews from thousands of users, while critics have awarded it an average Metacritic score of 89.

Mewgenics blends elements of strategy and roguelite gameplay, tasking players with selective...