Here is the full list of all 22 RGB Simulator achievements.
Completed level 1 in campaing.
Completed level 2 in campaing.
Completed level 3 in campaing.
Completed level 4 in campaing.
Completed level 5 in campaing.
Completed level 6 in campaing.
Completed level 7 in campaing.
Completed level 8 in campaing.
Completed level 9 in campaing.
Completed level 10 in campaing.
Completed level 11 in campaing.
Completed level 12 in campaing.
Completed level 13 in campaing.
Completed level 14 in campaing.
Completed level 15 in campaing.
Completed level 16 in campaing.
Enter freemod.
Enter campaign.
Complete all levels in the campaign with easy difficulty.
Complete all levels in the campaign with normal difficulty.
Complete all levels in the campaign with hard difficulty.
Turn on this game.