List of Halo 5: Guardians commendations/Game mode (Spartan Company)

My Castle
Earn one of the following medals: Lockdown, Total Control, Capture Spree, Stronghold Defense, Stronghold Secured, Capture Assist

Rule #1: Cardio
Win infection matches

As One
Kill an opponent while being assisted by at least 3 friendly players or assist in a team takedown.

Bosses, Bases, And Mayhem. Oh My!
Win a match in Warzone

Standing Tall
Earn cool Breakout medals: Immortal, Superefecta, Trifecta, Bifecta, Vanquiser

Player Vs Everything
Win matches in Firefight

Somebody Call For An Exterminator?
Earn any survivor medal

Patriot
Capture a flag, assist in capturing a flag or kill with a flag.

Goal!!!
Earn Scoring medals in Assault or Grifball

Is That My Ball?
Earn defensive medals in Assault or Grifball

Too Close To The Fire
Kill an enemy near your Core in Warzone and Warzone Assault

4 Little Spartans Went Out To Play
Win a match in any Breakout game type in matchmaking

No Time To Lose
Win a match in Warzone Assault

Hammer Time
Win Grifball matches

Striker
Earn offensive medals in Assault or Grifball

Personal Space
Win a match in any Stronghold game type in matchmaking

Expect The Unexpected
Capture the flag in Breakout

Kill Or Be Killed
Win a match in any Slayer game type in matchmaking

Flag 'Em Down
Earn one of the following medals: Stopped Short, Flag Joust, Carrier Kill, Flag return, Flag defense

I Might Be Contagious
Earn any infected medal;

Tick Tick Boom
Win matches in Assault

What's Mine Is Mine
Win a match in any CTF game type in matchmaking

Crunchy Center
Earn core destruction victories in Warzone

Like A Boss
Kill a boss in a Warzone Firefight match