Here is the full list of all 30 ReactorX achievements.
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 complete
Level 20 complete
Level 21 complete
Level 22 complete
Level 23 complete
Level 24 complete
Level 25 complete
Level 26 complete
Level 27 complete
Level 28 complete
Level 29 complete
Level 30 complete