This is a simple romhack that changes the game to take the classic Konami code (UUDDLRLRBA) to give you extra lives - in this case 30 lives, like the original Contra Nes Game
Database match: Super C (USA)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: 38C4288F31CDACFC5E563A3809CD235127ADAE7E
File CRC32: ED53852D
ROM SHA-1: B630AF147818FA61A1B45551F35C4FB4BC1357AA
ROM CRC32: 305B4E62