Deadliest Warrior Cheats

Use the pirates grenade attack on the knight when he is low on health.
It helps to have the knight as player2 for this.

Do the following tasks in Arcade, on any difficulty with each warrior to receive the outfit/weapon for that warrior.

These items do not affect the game itself. They are worn by your XBox Live avatar, and can be equipped from the Awards section of your avatar customization menu once unlocked.

A Head of the Competition
Reward: 20 Points
Objective: Decapitate 100 enemy warriors as the primary player.

That Was Sparta!
Reward: 20 Points
Objective: Kill 300 Spartans as the primary player.

Tournament to Kill
Reward: 20 Points
Objective: Win 10 online tournaments as the primary player.

Pin Cushion
Reward: 10 Points
Objective: Stick 4 projectiles in a single opponent as the primary player.

Against All Odds
Reward: 20 Points
Objective: Defeat 25 warriors in Survival Mode as the primary player.

Flesh Wound
Reward: 10 Points
Objective: Perform a final strike on an opponent after your arm has been sliced off as the primary player.

On Death's Door
Reward: 20 Points
Objective: As the primary player, kill an opponent while at critical health, with your leg and arm injured.

Right on Time
Reward: 10 Points
Objective: Perform only perfectly timed strikes to defeat an enemy as the primary player.

Black Knight
Reward: 20 Points
Objective: Remove all four limbs from the Knight during a single match as the primary player.

Deadliest Arsenal
Reward: 30 Points
Objective: Unlock every weapon and armor available for every warrior as the primary player.

Shishkabob
Reward: 10 Points
Objective: Remove an enemy's head with a projectile and stick it into a wall as the primary player.

Who's Deadliest Now?
Reward: 10 Points
Objective: Defeat Arcade mode on the Deadliest difficulty as the Ninja, the Viking, and the Knight.