All levels and challenge modes - Pause the game and press Down, Up, B, Left, B, Up, Right, B to unlock all levels and challenge modes.

Win the current level - Pause the game and press B, Right, Up, Left, B, Up, Left two times.

Lose the current level - Pause the game and press Down, Up, Left two times, B, Up, Left two times.

+10,000 mana - Pause the game and press B, Left, Up, B two times, Left, Up, B.
+10,000 money - Pause the game and press Right, Up, B three times, Left, Up, Down.

Turbo mode - Successfully complete all three campaigns to unlock Turbo mode.

Achievements - Successfully complete the indicated task to unlock the corresponding achievement. After all are unlocked, a code will be displayed on the "Achievement" menu, which can be submitted for a chance to win a prize from the game's developer.

4 the Horde!: Control 50 units at the same time.
At First I was Afraid: Survive for over 30 minutes in the Castle Defense mini-game.
Blotting Out the Sun: Successfully complete the Chinese campaign Level 7 with over 15 Rocketeers alive.
Bull in a China Shop: Cast a Boulder spell which does not hit a single unit.
Can't Touch This: Prevent a unit dying from a Lightning spell with the Shield spell.
Close Call: Win a mission in which the enemy attacked your base.
Cooking by the Book: Successfully complete the Viking campaign.
Dying on the Edge: Sacrifice a unit when their remaining health is less than 5%.
Fort Knox'd: Kill the Giant in the Aztec campaign Level 2 before it reaches your gold mines.
Fourtification: Successfully complete the Viking campaign Level 7 without losing any towers.
Happy New Year!: Kill 3 enemies with a single rocket that appears after a Rocketeer dies.
I'm no Kung, Fool!: Successfully complete the Chinese campaign.
Keep Your Lousy Army: Successfully complete the Aztec campaign Level 10 without letting any Vikings reach your base.
King of the Stone Age: Kill all Vikings in the Boulder mini-game without killing any Aztecs.
Lacking Balls: Successfully complete the Aztec campaign Level 8 without using the Boulder spell.
Lost Vikings: Successfully complete the Chinese campaign Level 8 without killing any Berserkers.
Pity the Fool!: Successfully complete the Viking campaign Level 10 without letting any enemies reach your base.
Planet of the Ninja Apes: Successfully complete the Chinese campaign Level 3 without letting any Ninja Apes die.
Reverse Psychology: Use Mind Control on a unit which the enemy Mind Controlled away from you less than 2 seconds ago.
RickRolled: Destroy the enemy base with a Boulder spell.
Son of Norris: Kill 46 enemy units with a single unit.
Techno Viking Dances Away: Reach maximum distance in the Berserker Run mini-game.
Uncontrolled Demolition: Destroy a tower which is in the process of being built with the Rage spell.
V for Veggies: Successfully complete the Aztec campaign.
Where are the Kangaroos?: Successfully complete the Viking campaign Level 4 by destroying the enemy base.