I've beaten Level 6 and the "Level 6" achievement didn't unlock. Also the "F" achievement didn't unlock either after beating level 6, if the alphabet achievements are to unlock with their corresponding number. Also, after beating Level 19, the "S" achievement didn't unlock. I'll update this post if I encounter more issues. Anyone else seeing these issues? Update: Finished the game and these 3 achievements were the only ones that didn't unlock: Level 6 F S...