This was a ROM hack made for Fathlo23 over at https://www.twitch.tv/fathlo23. This was made as a speedrun warmup experience. Every new file is a random experience! If you select file 1, 16 random levels are selected for you to play with a world boss after every 4 except after stage 16, which is K Rool. On file 2, no world bosses are selected (but you still fight K Rool at the end). On file 3, you fight no bosses and endlessly get stages.
Database match: Donkey Kong Country (USA)
Database: No-Intro: Super Nintendo Entertainment System (v. 20210222-050638)
File/ROM SHA-1: 0FCEE45D9AF5D2F62995ED4B04D22146B906C86B
File/ROM CRC32: C946DCA0