A good concept, with many bugs
It may one day lead to an Ultimate Flash Mario, but it still has a lot to go.
1. One hit, game over. Consider three lives.
2. Touch an enemy anywhere, you die. Goombas and koopas should be the dead ones when you jump on them. Boo diddly, spike tops, etc. still kill you.
3. The platforms with stationary Mario on them are fake. You fall through.
4. This game is impossible. Still, it is passable.