Ad The offline ad that comes with it, it's annoying and it doesn't persuade me to download it.
Awful prpbably the worse 100 doors game ive ever played
It freezes on level 8, i cant get past it
This game is very easy. Not so good to have to watch adverts to pass to next level.
Bledy stupid game in my life
Without a calculus degree your screwed after about 20 levels