I know y'all have an appreciation for roguelikes, so I'd like to direct your attention to this:
Hyperrogue, a roguelike on an infinite hyperbolic plane.It started out as just a simple turn-based game with ASCII graphics, an ice world, yetis and wolves, but it has since been updated to feature more worlds, more monsters, more treasure, magic items, and terrible graphics!
In addition to the great concept it's also quite compelling as a roguelike. There are no role-playing elements of any sort, but there are a number of objectives you can reach to unlock more worlds. The worlds are separated by walls, which are built in a straight line, but due to the hyperbolic geometry, no two walls ever intersect. The game's available on Windows, Mac, Linux and Android.
Also on Steam Greenlight.Did I mention it's free?