Baker’s Dozen is a hack of Super Mario World.
Features:
– Retry prompt
– Mostly vanilla with some custom levels
– Short and readable sections
– Linear overworld
– Custom music
– No: bosses, capes, water or jank 🙂
– 13 exits
– 13 end-of-level moons to collect (not mandatory, but the percentage of moons could be a speedrun category)