If you feel yourself confident enough in the original game, and the game speed doesn't give you a challenge anymore - then this hack is for you! It allows you to play game on either doubled or tripled speed. The speed multiplier is determined by the "spaceship" chosen for play.
Database match: Quarth (Japan)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: 10532A9C32080431FB5711FF42EF83187CF13639
File CRC32: 439FF96A
ROM SHA-1: 1C36FB794E4FABF4CB60407A928AD9C8E1EFEE6D
ROM CRC32: 9A808C3B