Imagine if instead of Super Mario Bros., they had created a 4th Donkey Kong game with the same gameplay...
This game contains a redesigned World 1 and assets from the classic Donkey Kong games, Mario Bros., and Wrecking Crew. Mario must climb the ladder at the end of each level to make it to 1-4 where he must rescue Pauline.
Database match: Super Mario Bros. (World)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: EA343F4E445A9050D4B4FBAC2C77D0693B1D0922
File CRC32: 3337EC46
ROM SHA-1: FACEE9C577A5262DBE33AC4930BB0B58C8C037F7
ROM CRC32: D445F698