This page contains Poseidon Wars 3-D Codes for Master System called "Sound test" and has been posted or updated on Aug 28, 2006 by doozykaine.
- Developer: Sega
- Publisher: Sega
- Genre: Action Shooter
- Release: Not Set
- ESRB: Not Set
Press Up, Left(2), Down(3), Right(4) when the word "Start" drops during the opening sequence.
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