Scored a Triple Kill with the sword in a ranked free for all playlist.
Killed 3 enemies within 4 seconds of one another in a ranked free for all playlist.
Boarded the same vehicle within 10 seconds after being boarded in any free for all playlist.
Earned the MVP in a ranked playlist.
Achieve the rank of Private First Class.
Kill 100 enemies using a shotgun with at least 6 players present
Complete Estate in Story Mode at any difficulty.
Complete the Story Mode on Realistic difficulty.
Complete Theater in Story Mode at any difficulty.
Complete 10 scenes as Bishop's teammate, Knight, in co-op Story mode at any difficulty.
Complete Nevada Desert in Story Mode at any difficulty.
Kill 100 enemies using an Assault Rifle with at least 6 players present.
Kill 100 enemies using a Sub-Machine Gun with at least 6 players present.
Kill 300 enemies in multiplayer adversarial with at least 6 players present.
Complete Convention Center in Story Mode at any difficulty.
Complete Recreational Center in Story Mode at any difficulty.
Complete Old Vegas in Story Mode at any difficulty.
Complete 5 scenes as Bishop's teammate, Knight, in co-op Story mode at any difficulty.
Win 2 ranked matches in a row.
Kill 150 enemies in multiplayer adversarial with at least 6 players present.
Win 3 consecutive ranked matches in a row.
Kill 150 terrorists with a Shotgun.
Kill 3 enemies at once using explosives with at least 6 players present
Complete Pic des Pyrénées in Story Mode at any difficulty.
Complete a scene as Bishop's teammate, Knight, in co-op Story mode at any difficulty.
Win your first ranked match online.
Complete all Terrorist Hunt missions on Realistic difficulty.
Neutralize 5 terrorists in a row by performing headshots using a Sound Suppressor.
Complete 5 Terrorist Hunt missions at any difficulty.
Complete a Terrorist Hunt mission at the hardest difficulty.
Host and win 10 matches with at least 6 players present.
Complete your first Terrorist Hunt mission at any difficulty.
Kill 50 enemies in multiplayer adversarial with at least 6 players present.
Promoted to Sergeant. Proven in combat, you are a Spartan.
Kill 25 Martyrs by shooting the Bomb Packs on their chests.
Kill 250 enemies total using SMGs.
Complete 20 minor objectives in a ranked match.
Kill 100 enemies total using Sniper Rifles.
Kill 30 enemies using the Riot Shield melee attack
Earn one million dollars in total over the course of campaign mode.
Kill 25 enemies total using RPGs.
Drag and heal your partner 25 times.
Kill 150 enemies total using Handguns.
Collect all of the information cases in the entire game.
Kill 250 enemies total using Shotguns.
Kill 25 Heavy Armor enemies.
Kill 250 enemies total using Machine Guns.
Complete all missions with the Partner AI.
Kill 50 enemies total using the Melee Attack.
Continue playing to unlock this secret achievement.
