|Player one God mode|
Press Up, A, X, B, Y, Down at the starting menu. Note: This code has no effect online.
Player two God mode
Press Down B, X, A, Y, Up at the starting menu. Note: This code has no effect online.
Press LT, X, A, X, A, RT at the starting menu. This mode enables all strikes to cause dismemberment. Note: This code has no effect online.
Sudden Death mode
Press X, RB, Up, Down, LB, A at the starting menu. All warriors start the round with critical health in this mode. Note: This code has no effect online.
Press Y, A(3), X, B at the starting menu. Note: This code has no effect online.
Successfully complete Arcade mode with all characters under the Deadliest difficulty setting.
Alternately, defeat ten opponents in Survival mode.
Defeat your warrior in Arcade mode.
Long range weapon
Successfully complete Arcade mode.
Successfully complete Slice in Arcade mode.
Successfully complete Target in Arcade mode.
Successfully complete Arcade mode with all character
Easy "A Head Of The Competition" achievement or trophy
Play as the Samurai. Instead of needing a lucky strike, your special move slices the enemy's head off. It is recommended that you do this against a guerrilla unit, such as the ninja or apache.
Easy "The Black Knight" achievement or trophy
Play as the Pirate and throw the bombs. There is a 50% chance that it will blow off all the limbs.
Easy "Tournament To Kill" achievement or trophy
Use the following trick to gain victories. Play as either Apache or Ninja. Select the poison projectiles. Land at least one projectile on the enemy, then evade the enemy until the time runs out.
Easy "On Death's Door" achievement or trophy
Have a friend use the Pirate class. When he throws two bombs at you, both your arm and leg will be broken. Finish off your pirate friend to unlock the achievement.
Complete the following achievements to unlock Xbox Live Gamerscore points. Note: Enabling cheat codes will not prevent achievements from becoming unlocked.
A Head of the Competition (20 points): Decapitate 100 enemy warriors as the primary player.
Against All Odds (20 points): Defeat 25 warriors in Survival Mode as the primary player.
Black Knight (20 points): Remove all four limbs from the Knight during a single match as the primary player.
Deadliest Arsenal (30 points): Unlock every weapon and armor available for every warrior as the primary player.
Flesh Wound (10 points): Perform a final strike on an opponent after your arm has been sliced off as the primary player.
On Death's Door (20 points): As the primary player, kill an opponent while at critical health, with your leg and arm injured.
Pin Cushion (10 points): Stick 4 projectiles in a single opponent as the primary player.
Right on Time (10 points): Perform only perfectly timed strikes to defeat an enemy as the primary player.
Shishkabob (10 points): Remove an enemy's head with a projectile and stick it into a wall as the primary player.
That Was Sparta! (20 points): Kill 300 Spartans as the primary player.
Tournament to Kill (20 points): Win 10 online tournaments as the primary player.
Who's Deadliest Now? (10 points): Defeat Arcade mode on the Deadliest difficulty as the Ninja, the Viking, and the Knight.
Complete the indicated task to unlock the corresponding Avatar Award.
Samurai armor: Complete Arcade mode with all characters under the Hard difficulty.
Samurai helmet: Complete Arcade mode.