From SMS Power!

Credits: Wonder Boy in Monster Land / Super Wonder Boy Monster World (スーパーワンダーボーイ モンスターワールド) / Super Wonder Boy Super Monster Land

Uncredited in-game

Director (SMS version)

Ohba Noriyoshi (大場規勝)

Credits Incomplete

See the main page for Wonder Boy in Monster Land / Super Wonder Boy Monster World (スーパーワンダーボーイ モンスターワールド) / Super Wonder Boy Super Monster Land