Here is the full list of all 39 Anime - there are Space Sniper achievements.
Complete Level 1
Complete Level 2
Complete Level 3
Complete Level 4
Complete Level 5
Complete Level 6
Complete Level 7
Complete Level 8
Complete Level 9
Complete Level 10
Complete Level 11
Complete Level 12
Complete Level 13
Complete Level 14
Complete Level 15
Complete Level 16
Complete Level 17
Complete Level 18
Complete Level 19
Kill 1 Enemy
Kill 2 Enemy
Kill 3 Enemy
Kill 4 Enemy
Kill 5 Enemy
Kill 6 Enemy
Kill 7 Enemy
Kill 8 Enemy
Kill 9 Enemy
Kill 10 Enemy
Kill 11 Enemy
Kill 12 Enemy
Kill 13 Enemy
Kill 14 Enemy
Kill 15 Enemy
Kill 16 Enemy
Kill 17 Enemy
Kill 18 Enemy
Kill 19 Enemy
Kill 20 Enemy