No missable achievements (plus 16 unknown)
Sign in with Steam or Xbox to track your progress, and:
Fire over 666 bullets
Complete the first mission
Take out 81 bad guys
Complete the second mission
Complete the third mission
Complete the fourth mission
Complete any mission in under 2 minutes
Complete the fifth mission
Complete the sixth mission
Collect every type of powerup
Complete any mission in coop
Complete a mission without dying or losing any health
Complete at least one versus match
Complete the seventh mission
Complete every mission on hard difficulty