List of Halo 4 commendations/Game Types

Slayer Victory
Win a match in any Slayer gametype in matchmaking

Slayer High Score
Finish in the top 3 players in any Slayer gametype in matchmaking

Slayer Mastery
Complete all of the following commendations: Slayer Victory, Slayer High Score

Regicide Victory
Win a match in any Regicide gametype in matchmaking

Kingslayer
Kill the king in any Regicide gametype in matchmaking

Executioner
Assassinate the King in any Regicide gametype in matchmaking

Regicide Mastery
Complete all of the following commendations: Regicide Victory, Kingslayer, Executioner

Flag Victory
Win a match in any Capture the Flag gametype in matchmaking

Deadly Flag
Kill enemy Spartans while carrying the flag in any Capture the Flag gametype in matchmaking

Carrier Takedown
Kill an enemy flag carrier in any Capture the Flag gametype in matchmaking

Defender of the Flag
Earn any of these 2 medals: Flag Defense, Flag Assist

Capture the Flag Mastery
Complete all of the following commendations: Flag Victory, Deadly Flag, Carrier Takedown, Defender of the Flag

Oddball Victory
Win a match in any Oddball gametype in matchmaking

Carry the Oddball
Earn any of these 6 medals: Ball Holder, Ball Keeper, Ball Master, Ball Hog, Magic Hands, First Touch

Oddball Beatdown
Kill an enemy Spartan with the Oddball in any Oddball gametype in matchmaking

Drop That Ball!
Kill an enemy Spartan who is carrying the Oddball in any Oddball gametype in matchmaking

Oddball Mastery
Complete all of the following commendations: Oddball Victory, Carry the Oddball, Oddball Beatdown, Drop That Ball!

King of the Hill Victory
Win a match in any King of the Hill gametype in matchmaking

Top of the Hill
Earn any of these 4 medals: Hill +5, Hill +10, Hill +15, Hill Dominance

Hill Defense
Earn any of these 3 medals: Hill Offense, Hill Defense, Hail to the King

King of the Hill Mastery
Complete all of the following commendations: King of the Hill Victory, Top of the Hill, Hill Defense

Dominion Victory
Win a match in any Dominion gametype in matchmaking

Captured
Earn any of these 7 medals: Base Capture Initiated, Capture Initiation Assist, Base Captured, Capture Assist, Turret Destroyed, Base Offense, Base Saved

Base Defense
Earn any of these 4 medals: Base Defense, Turret Built, Fortification Assist, Resupply Assist

Dominion Mastery
Complete all of the following commendations: Dominion Victory, Captured, Base Defense

Flood Victory
Win a match in any Flood gametype in matchmaking

The Parasite
Earn any of these 6 medals: Flood Survivor, Flood Exterminator, Juggernaut, Gravemind, Final Conversion, Last Man Standing

Gravemind
Complete all of the following commendations: Flood Victory, The Parasite