20-in-1 (Mapper 61) ROM Download can be obtained free for Nintendo on EmuGames.net only. Play emulator game in English for the USA region. 20-in-1 is a NES ROM that you can download to your computer or play online within your browser. You can also download roms such as Mario 7-in-1 and 20-in-1 that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.
![Mario 7-in-1 (Mapper 52) [a1]](https://images.emugames.net/nintendo/Mario%207-in-1%20(Mapper%2052)%20[p1][a1].webp)