Halo 3 – Xbox Series X|S Cheat Codes
Halo 3 is a first-person shooter that concludes the original trilogy of the Halo saga. Players step into the armor of Master Chief to battle the Covenant and th…
Xbox Series X|S 
PC 
Xbox 360 
Xbox One
Enter from left to right
Via backwards compatibility, skulls collected in Halo 3 carry over. Toggle them in the Campaign Lobby before launching a mission from the right-hand skull panel.
18 cheats
Black Eye Skull
Player
Shields only recharge by meleeing enemies.
Black Eye Skull
Player
Shields only recharge by meleeing enemies.
Tough Luck Skull
Combat
Enemies dodge grenades and flee more aggressively.
Tough Luck Skull
Combat
Enemies dodge grenades and flee more aggressively.
Catch Skull
Combat
Enemies throw and drop far more grenades.
Catch Skull
Combat
Enemies throw and drop far more grenades.
Famine Skull
Weapons
Dropped weapons carry much less ammo.
Famine Skull
Weapons
Dropped weapons carry much less ammo.
Thunderstorm Skull
Combat
Enemies promoted to their highest rank.
Thunderstorm Skull
Combat
Enemies promoted to their highest rank.
Mythic Skull
Combat
Doubles all enemy health.
Mythic Skull
Combat
Doubles all enemy health.
Iron Skull
Other
Co-op: death = restart. Solo: restarts from last checkpoint.
Iron Skull
Other
Co-op: death = restart. Solo: restarts from last checkpoint.
Grunt Birthday Party
Other
Grunt headshots trigger confetti and cheering.
Grunt Birthday Party
Other
Grunt headshots trigger confetti and cheering.
Cowbell Skull
Other
Increases explosion knockback forces.
Cowbell Skull
Other
Increases explosion knockback forces.