List of Halo 4 commendations/Player

Campaign Dawn Complete the campaign mission Dawn on Legendary difficulty Requiem Complete the campaign mission Requiem on Legendary difficulty Forerunner Complete the campaign mission Forerunner on Legendary difficulty Infinity Complete the campaign mission Infinity on Legendary difficulty Reclaimer Complete the campaign mission Reclaimer on Legendary difficulty Shutdown Complete the campaign mission Shutdown on Legendary difficulty Composer Complete the campaign mission Composer on Legendary difficulty Midnight Complete the campaign mission Midnight on Legendary difficulty Legend Complete all of the following commendations: Dawn, Requiem, Forerunner, Infinity, Reclaimer, Shutdown, Composer, Midnight. Completing this commendation will unlock the Mark VI armor set, the "Legendary" visor, and the "117" emblem

War Games Spartan Slayer Take out enemy Spartans. Completing this commendation will unlock the CIO armor set, and the "Extracted" emblem Tier Required # Rewarded XP Novice 25 250 Qualified 50 500 Proficient 150 750 Adept 300 1000 Expert 600 2500 Distinguished 1200 5000 Master 2400 10000 Bullet in the Brain Take out enemy Spartans with headshots. Completing this commendation will unlock the Defender "Control" (CTRL) armor set Tier Required # Rewarded XP Novice 15 250 Qualified 50 500 Proficient 100 750 Adept 200 1000 Expert 400 2500 Distinguished 800 5000 Master 1600 10000 First Strike Get the first kill in a match. Completing this commendation will unlock the "Assault" stance Tier Required # Rewarded XP Novice 5 250 Proficient 10 500 Adept 25 750 Expert 50 1000 Master 50 2000 Multikill Earn any of these 8 medals: Double Kill, Triple Kill, Overkill, Killtacular, Killtrocity, Killamanjaro, Killtastrophe, Killpocalypse. Completing this commendation will unlock the Infiltrator "Trace" (TRAC) armor set Tier Required # Rewarded XP Novice 5 250 Qualified 10 500 Proficient 25 750 Adept 50 1000 Expert 100 2500 Distinguished 250 5000 Master 500 10000 Assassin Assassinate enemy Spartans. Compleing this commendation will unlock the Venator armor set Tier Required # Rewarded XP Novice 5 250 Proficient 10 750 Adept 25 1000 Expert 50 2500 Master 50 10000 Spartan Spree Earn any of these 7 medals: Killing Spree, Killing Frenzy, Running Riot, Rampage, Untouchable, Invincible, Inconceivable. Completing this commendation will unlock the Soldier "Zenith" (ZNTH) armor set Tier Required # Rewarded XP Novice 5 250 Qualified 10 500 Proficient 25 750 Adept 50 1000 Expert 100 2500 Distinguished 200 5000 Master 400 10000 Assistant Earn any of these 4 medals: Assist, Vehicle Destroy Assist, Distraction, EMP Assist. Completing this commendation will unlock the "Sunspot" visor Tier Required # Rewarded XP Novice 25 250 Proficient 50 500 Adept 250 750 Expert 500 1000 Master 1000 2500 Protector Earn any of these 3 medals: Protector, Guardian Angel, Savior. Completing this commendation will unlock the Ranger "Strike" (STRK) armor set Tier Required # Rewarded XP Novice 10 250 Proficient 25 500 Adept 50 750 Expert 100 1000 Master 250 2000 Close Quarters Earn any of these 3 medals: Melee, Beat Down, Bulltrue. Completing this commendation will unlock the Twin-plated "Aeon" (AEON) forearms Tier Required # Rewarded XP Novice 25 250 Proficient 50 500 Adept 250 750 Expert 500 1000 Master 1000 2500 Combat Opportunity Earn any of these 5 medals: Killjoy, Headcase, From the Grave, Reload This, Showstopper. Completing this commendation will unlock the Ranger armor set Tier Required # Rewarded XP Novice 10 250 Proficient 25 500 Adept 50 750 Expert 250 1000 Master 500 2500 Payback Kill the enemy Spartan that just killed you. Completing this commendation will unlock the Contoured "Shard" (SHRD) legs Tier Required # Rewarded XP Novice 25 250 Proficient 50 500 Adept 250 750 Expert 500 1000 Master 500 2000 Avenger Kill an enemy Spartan that just killed a teammate. Completing this commendation will unlock the "Blindside" visor Tier Required # Rewarded XP Novice 15 250 Proficient 30 500 Adept 90 750 Expert 180 1000 Master 360 2000 From the Brink Kill an enemy Spartan while close to death. Completing this commendation will unlock the "Cyan" visor Tier Required # Rewarded XP Novice 15 250 Proficient 30 500 Adept 60 750 Expert 90 1000 Master 180 2000 Hail of Death Call in personal ordnance. Completing this commendation will unlock the EVA "Breach" (BRCH) armor set, and the "Ordnance" emblem Tier Required # Rewarded XP Novice 5 250 Proficient 10 500 Adept 20 750 Expert 40 1000 Master 60 2000 Perfection Complete a match without dying and get at least 15 kills. Completing this commendation will unlock the Contoured "Shard" (SHRD) forearms Tier Required # Rewarded XP Novice 1 1000 Proficient 2 2000 Adept 3 3000 Expert 4 4000 Master 5 5000 Exterminator Killed every enemy Spartan that finished the match. Completing this commendation will unlock the Recruit "Tiger" (TIGR) legs Tier Required # Rewarded XP Novice 3 250 Proficient 5 500 Adept 7 750 Expert 9 1000 Master 18 2000