Mega Man IV, known as Rockman World 4 (ロックマンワールド4) in Japan, is the fourth installment of the Mega Man handheld series. The game continues the quest of the protagonist, Mega Man, in a never-ending struggle with his arch-nemesis, Dr. Wily. As with previous Game Boy releases, the game incorporates gameplay elements and bosses from two sequential Nintendo Entertainment System (NES) games: Mega Man 4 and Mega Man 5.

Tremane and willwc run through the entire game in 35 minutes and 53.26 seconds.