Super Mario Bros. 2 (NES)

Here we will explain how to prepare a Super Mario Bros 2 ROM to be use with Crowd Control. We will not provide the ROM, but once you have obtained your legal backup from original source, follow the below steps.

  • Just point the Crowd Control app at your ROM and you are good to go.
    • No randomizer support yet, but expect something soon.

We only support the following checksums:

MD5: 71576D8339BD63198FCFC51A92016D58
CRC-32: 7D3F6F3D

Get more info on checksums at this guide.

Note: The ROM for this game gets patched as you hit start in the CC app. You can tell the patch has been applied correctly by this special title screen:


You can follow the general setup guide at for extra help with the Crowd Control app, the extension or emulator support. And don’t forget to login and adjust item pricing at .

If you have any questions or need help with this setup, please head over to our forum or discord for additional support!