Here is a ROM hack which converts the game F-1 Race into a water boat racing game!
F-1 Race.nes
CRC32: 827DC0B9
MD5: 5C7641C1ADC213454C9962EB7F307626
SHA-1: C456B19B74E661BD44DD39CD04AF0D7F68D958A4
SHA-256: BF56E13210CFCC1FB5A998DA355EB634939200F4F7B1A75FE46B272BCC3E0B0C