Not enough time to react to bad things.
Too much things that hurt you.
Too limited rock movement.
If you pulled the viewpoint back a little and slowed things down it would be much better, don't forget to get rid of some clouds and birds.
The randomness of the levels astonishes me. One game I find an armor plate +2 a good 6-7 levels in, another game I find a +5 sword on level 1 right in front of me.
 "Roll a Stone"){kind=icon}
 "Lost and found"){kind=icon}
 "Microbe Chain"){kind=icon}
 "THE RETARTED 20!!"){kind=icon}
 "Magic Tree1"){kind=icon}
 "Bubba Time (Final Release)"){kind=icon}
 "Where is 2010?"){kind=icon}
 "KICKzor!"){kind=icon}
 "Defence Shooter: Tutorial (V1)"){kind=icon}
 "flash quiz"){kind=icon}
 "Dr Phil - Psychological Test"){kind=icon}
 "Greedy Dice"){kind=icon}
 "The Idiot Test"){kind=icon}
 "Micro Dungeon"){kind=icon}
 "The Flash Platformer I Demo"){kind=icon}
 "Plunge For Points"){kind=icon}
 "Robin the Mercenary"){kind=icon}
 "Einstein's Riddle"){kind=icon}
 "Mushroom Man"){kind=icon}