This is a horizontal action game with 6 optional characters, including Farmer, Martial Monk, Qigong Master, Eighth Route, Secret Service, and King of Slingshot. Faced with countless invaders, can you kill all the enemies or end the game?

This is a horizontal action game with 6 optional characters, including Farmer, Martial Monk, Qigong Master, Eighth Route, Secret Service, and King of Slingshot. Faced with countless invaders, can you kill all the enemies or end the game?