INMOST is described as 'Atmospheric, story-driven puzzle platformer, following three playable characters within one dark, interconnecting story. In an old abandoned castle, you’ll need to explore every nook and cranny, avoid detection, slice your way through enemies and spring deadly traps' and is a Platform Game in the games category. There are more than 50 games similar to INMOST for a variety of platforms, including Windows, Mac, Steam, Linux and Nintendo Switch apps. The best INMOST alternative is Hollow Knight. It's not free, so if you're looking for a free alternative, you could try Cave Story (Dokutsu Monogatari) or Nikki and the Robots. Other INMOST like games are Super Meat Boy, Ori, VVVVVV and Frogatto & Friends.