Garib cheat:
Start a game in Easy mode and press R when you don't have the ball. This locates the closest Garib. Then quit that game and start a game in Normal mode. You can now use the "Garib Locater" in Normal skill.

To use the following codes, pause the game and enter the following:

Infinite Lives:
C-Up (x5), C-Right, C-Down, C-Right.

Infinite Energy:
C-Right (x2), C-Down, C-Right(x3), C-Up, C-Left.

Level Select:
C-Up (x3), C-Left, C-Left, C-Right, C-Left, C-Right.

Open Portals:
C-Up, C-Right, C-Right, C-Down, C-Left, C-Down, C-Up, C-Right.

Open All Checkpoints:
C-Down (x2), C-Right, C-Left, C-Up (x2), C-Down, C-Left.

All Levels Open:
C-Down (x2), C-Left, C-Up(x3), C-Right, C-Down.

Fish Eye:
C-Left, C-Right, C-Left, C-Right, C-Left, C-Right, C-Left, and C-Right.

Mad Garibs:
C-Down, C-Right, C-Down, C-Up, C-Left, C-Down, C-Left, and C-Up.

Enemy Ball:
C-Left, C-Down, C-Up, C-Right, C-Left, C-Left, C-Down, and C-Down.

Froggy:
C-Up, C-Right, C-Down, C-Right, C-Up, C-Left, C-Left, C-Up. You will turn into a frog and gain a life every time you eat a bug.

Call Ball:
C-Up, C-Left, C-Left, C-Up, C-Right, C-Left, C-Down, C-Up.

Big Ball Spell:
C-Down, C-Down, C-Up, C-Down, C-Down, C-Left, C-Right, C-Down.

Frog Spell:
C-Down, C-Left, C-Down, C-Down, C-Left, C-Down, C-Up, C-Left. Press R to turn all enemies into frogs.

Death Spell:
C-Up, C-Left (x4), C-Up, C-Right, C-Up. Press R to kill all enemies.

Hercules:
C-Down (x3), C-Left, C-Left, C-Down, C-Right, C-Left.

Low Gravity:
C-Left (x2), C-Up, C-Left, C-Right, C-Up (x3).

Power Ball:
C-Up, C-Down, C-Up, C-Down, C-Up, C-Down, C-Left, C-Up.

Speed Up:
C-Left, C-Left, C-Right, C-Up, C-Right, C-Left, C-Down, C-Down.

Summon Ball:
C-Up, C-Left, C-Left, C-Up, C-Right, C-Left, C-Down, C-Up.

Boomerang Ball:
C-Right, C-Up (x4), C-Left (x2), C-Down.

Control Ball:
C-Left, C-Right, C-Left, C-Right, C-Up, C-Down, C-Right, C-Right.

Invisible Ball:
C-Down (x2), C-Left (x2), C-Up (x2), C-Down, C-Up.

Big Glover:
C-Down (x3), C-Left (x2), C-Down, C-Right, C-Left.

Tilt Camera:
C-Left, C-Right, C-Up, C-Up, C-Down, C-Right, C-Down, C-Right to rotate the camera angle.

Deactivate Cheats:
C-Down (x8).

Thanks to Revolution readers Sufyan, Ricky, Glover (the person), Massivecock, AJ Vertigo, Jayson Williams, Ashley, Pedro Gil, Chad Menge, Christopher Dalton, Ravi Thakkar, Michael Deal, Jose Basaldua, Andy Soto, and Eivets Yelnod!