[Experimental] Game crush after load

game crush after load, i see button respawn and it crush( Fantastic) and it work fine on beautiful(80fps) (what the different?)…but wtf i5 8gb gtx 680…also some problems after alt tab…all ground is white(sometimes).

Have same issue ,but not try beautiful . Game work at fastest . CPU fx6300 gtx760 8gb ram
Win7 64

what did it crush?