i think to get lvl 42 achievement u need to start from lvl 1 not go to nightmare difficulty if any of u guys didnt choose nightmare difficulty well then it doesnt work
The achievements r easy i played in big boxy difficulty nightmare devils off friendly fire off game speed fast i used mines barrels and rocket launcher
 "Doodle God"){kind=icon}
 "Boxhead: 2Play Rooms"){kind=icon}
 "House Idle v.4"){kind=icon}