Reach your first rank.
Reach the rank of Sergeant.
Reach the rank of Major.
Complete all of the Daily Challenges in a given day.
Reach the rank of General.
Upgrade any Weapon for the first time in the armory.
Fully upgrade any Weapon in the armory.
Buy an Emblem in the shop for the first time.
Buy a Skin for any weapon in the shop.
Get an Invincible medal in any game mode (100 kills without dying).
Advance a Commendation to a Gold state.
Score 25,000 points in a Floods game.
Score 50,000 points in a Firefight game.
Earn a Triple Kill with one shot of the Spartan Laser in a Red vs Blue game.
Earn a Double Kill with the Shotgun in a Red vs Blue game.
Earn 3 stars on any mission.
Earn a Killing Spree medal in a Red vs Blue game.
Complete every mission on any difficulty.
Earn 3 stars on every mission.
Reach the rank of 5-Star General.