Here is the full list of all 12 Warhammer 40,000: Kill Team trophies - there are 7 bronze, 4 silver and 1 gold.
Play through each mission with two different Space Marines
Find all the collectables
Earn a gold Aquila in every survival challenge
Get over 50 kills with each weapon type
Defeat the Warboss!
Unlock all weapons & ability upgrades
Complete a mission in co-op mode
Kill 5000 enemies in total
Complete a mission without dying
Complete a mission without using melee
Achieve a "Bloodbath" Kill streak
Use a special move