This hack adds the Puyo popin protagonist of the PuyoPuyo games to Super Mario Bros. Also some of graphical updates from smbj2 have been added.
1.5 update
fixes graphics bug in 4-2 wrap zone
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