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