The message "NOPE achievement failed" appears when playing 1.2 on insane difficulty, when the achievement is for hard difficulty.
When completing the formicarium challenge 1 with only workers, the 'vanilla' achievement and 'you completed the first test' or whatever it is called works as it is supposed to, but the achievements for completing formicarium challenge 1 on medium, hard, and insane don't work.
When completing the formicarium challenge 1 with only workers, the 'vanilla' achievement and 'you completed the first test' or whatever it is called works as it is supposed to, but the achievements for completing formicarium challenge 1 on medium, hard, and insane don't work.