Wonder Boy — play the Sega Master System classic in your browser

This browser is not keeping data for this site (a private window, or blocked site data), so saves are off. The game plays as normal.

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This browser is not keeping data for this site (a private window, or blocked site data), so the slots are off. Export and Import still work.

VolumeTurn the game down to listen to your own music over it.100%

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