Rogue Legacy is a procedurally generated action-platformer game developed and published by Cellar Door Games. In the game, players control a character who must explore a randomly generated castle filled with traps and monsters, with the goal of defeating the boss at the end of each run.
The font used in the Rogue Legacy logo is Vlaanderen, a rounded slab serif from Nick's Fonts. This typeface has a full character set and comes in three versions; Vlaanderen Chiseled, Vlaanderen Rounded, and Vlaanderen Square. You can download them from Font Used Section.