Get over 50 kills with each weapon type
Earn a gold Aquila in every survival challenge
Play through each mission with two different Space Marines
Find all the collectables
Unlock all weapons & ability upgrades
Achieve a "Bloodbath" Kill streak
Continue playing to unlock this secret achievement.
Kill 5000 enemies in total
Complete a mission without dying
Complete a mission without using melee
Complete a mission in co-op mode
Use a special move
