You can get 100% on most levels. Cut allowance should be individual for every level, e.g. easier levels 1-2 cuts, more complex levels may require more cuts. Also, there should be "fixed" objects that are unmovable by the explosion, and the movable things should be attached to them, so you have to sever that bond.
 "Tøhø 0.1: Unnamed"){kind=icon}
 "Rocket Toilet"){kind=icon}
 "Total Defence"){kind=icon}
 "farm express 2"){kind=icon}
 "Bob the ninja :look around and do something i think game"){kind=icon}
 "Radio Silence"){kind=icon}
 "Thirst"){kind=icon}
 "BOXGAME"){kind=icon}
 "Helly Yeah"){kind=icon}
 "Space Bowling"){kind=icon}
 "Topsy Turvy"){kind=icon}
 "Fly Zombie Fly"){kind=icon}
 "Darkest Days"){kind=icon}
 "SandTest"){kind=icon}
 "You Find Yourself In A Room"){kind=icon}
 "Santa Rockstar: Metal Xmas 3"){kind=icon}
 "Santa Truck"){kind=icon}
 "Slash/BOOM"){kind=icon}
 "As I Lay Dying!"){kind=icon}