Here are some cheats and tips for the game Scooby Doo: Night of 100 Frights.
All power-ups:
Pause game play then hold L + R and quickly
press X, B, X, B, X, B(3), X(2), B, X(3).
All warp gates:
Pause game play then hold L + R and quickly
press B(2), X, B(2), X, B, X(3).
All FMV sequences:
Pause game play then hold L + R and quickly
press B(3), X(3), B, X, B.
View credits:
Pause game play then hold L + R and quickly
press B, X(2), B, X, B.