Falsepine

It may lack the polish of larger commercial roguelikes, but there is considerable imagination behind its combination of gunfights, exploration, bounty hunting, character builds, and supernatural mythology.

There are 35 weapons and tools to experiment with, supported by Talismans and Artifacts that allow considerably different builds.

It runs successfully on SteamOS through Proton, its default controller configuration provides access to all functionality, interface text is considered legible, and the default graphics configuration performs appropriately on the handheld.