Scooby-Doo 2: Monsters Unleashed Codes -

 

Level select:
Enter MDBC8LCD as a password.

Alternate ending:
Enter SD2 as a password.

Super password:
Enter !V?Y3T?8 as a password to unlock all special battles are unlocked, mark all levels as completed, and have all mini-game badges.

Level	Password
1-2	CBBCBBBB
1-3	BDBFBBBC
1-4	CDBFBBBD
2-1	LBCKBBBF
2-2	MBC3BVBC
2-3	LDGYCVBC
2-4	MDGYFVBB
3-1	LBB?TVBB
3-2	MBB7KVBL
3-3	4DB7KVBL
3-4	SDB7KCBL
4-1	4BG7KCBL
4-2	SBG7KCBL
4-3	4DG7KMBL
4-4	SDG7KMB4
5-1	4BBY3MC4
5-2	SBBY3MF4
5-3	4DBY3MK4
5-4	SDBY3MT4