Wonder Boy in Monster World is a side-scrolling platformer with adventure and RPG elements. Play as the titular character and fight monsters that plague the land to restore it to its once peaceful state. Talk to townspeople, collect money, purchase items, and equip weapons/armor/magic.

Controls: Left / Right Arrow = Move, Up Arrow = Enter Building / Talk / Look Up, Down Arrow = Leave Building / Crouch, Z = Accept Choice, X = Cancel Choice / Attack, C = Accept Choice / Jump, Z + Left / Right Arrow = Use Magic, Left / Right Arrow + C = Running Jump