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Nintendo Wii - Sonic Unleashed cheats

Unlock final Adabat bonus mission:
Collect all Art, Music, Secret Documents, and all Movies except for #36. 

Unlock final mission:
Achieve an "S" rank on all missions.

Unlock Sonic Omake intermission sequence:
Play the final mission and complete it with all hidden items collected.

Spindash boost at start:
During a day level, swing the Wiimote during the starting countdown 
between "1" and "Go".