I've installed them all for my 6yo kid, but have been playing myself also non stop. I have experienced a problem with Origins - Twilight invasion bonus level, the game freezes at random wave, last time at wave 43. My son was so sad that he cried, otherwise I wouldn't have been writing this email.
cigumo
commented
3 years ago
http://support.ironhidegames.com/a/tickets/75339