The doom dragoon (discontinued)

Hey guys, this is my first puzzle and i would like you guys to check it out. Please give me feedback on things i can improve.

oh 1 thing, you MUST play this on hard otherwise it isn't fun

Additional Notes

as i said this is my first puzzle, so please tell me if i missed anything.
I don't know if i posted this in the right place, but here are the links:

4shared:
www.4shared.com/file/1O7nf6Au/my_puzzle.html

there are 5 puzzles and that will be it.
i will not update this project anymore.
have a look at my hell texture pack though:
www.planetminecraft.com/texture_pack/hell-texture-pack/

Death knight skin:
www.planetminecraft.com/skin/death-knight-317232/

nobody skin:
www.planetminecraft.com/skin/nobody/

and last but not least the Death Creeper skin:
www.planetminecraft.com/skin/death-creeper-313153/