I've beat the game twice now, and haven't gotten the achievement.
It's not worth it for me to go play again to try to get the achievement, but anyone know why it didn't register? I can't click the 'report a bug' link and can't find the 'report missing achievement' link...
 "The Next Floor"){kind=icon}
 "Epic War 2"){kind=icon}
 "Blueshift"){kind=icon}