Changing the game quality to low fixes the flashing screen problem. To do this, right click>quality>low and voila! I just can't believe the amount of morons there are in the world...
Actually it's luvly juvly. Sorry about my comment before, I was just pissed off because I was so close to killing the Maidchamberwhatever. I find it's much more easier with Dan Paladin, he's weaker but he gets the job done.
 "Invert"){kind=icon}
 "Failed Snake"){kind=icon}
 "A Stickman Game (final?)"){kind=icon}
 "Stickman Madness 3: Stronghold"){kind=icon}
 "TNT"){kind=icon}
 "Banana Dash Platform Racing"){kind=icon}
 "The Great Sperm Race"){kind=icon}
 "Ragdoll 1"){kind=icon}
 "Scary Maze Game"){kind=icon}
 "Rockattack"){kind=icon}
 "A,L,B,C"){kind=icon}
 "Portal Defenders"){kind=icon}
 "Playtoy1.7 Platformer"){kind=icon}
 "Worst possible game"){kind=icon}
 "Muffins!!"){kind=icon}
 "Crossing Bridges"){kind=icon}
 "Free Rider 2"){kind=icon}
 "Greg Is So Evil 3"){kind=icon}
 "Escape With A Mouse"){kind=icon}