To play the ROM hack, you'll need an NES emulator. Some popular emulators for PC and mobile devices include:
Because many North American players find the 10-life limit too restrictive for the game's high difficulty, several ROM hacks have been developed to "fix" or improve this experience: Super C Konami Code 30 Lives: This hack replaces the standard code with the classic Konami Code ( Up, Up, Down, Down, Left, Right, Left, Right, B, A ) and restores the 30-life reward to match the first game. 30 Lives Code Restoration: super contra 30 lives nes rom better