Wasnt bad!
I liked the Orange peel tune, nice and catchy, the ending was great and The feature of shooting the pig was genius, Loved the "goodbye cruel world!"
However, Even on my laptop, there was heavy lag when you tried to shoot more than a few times, It would have been nice to include a mute button, or different tracks on loop, The music got really annoying. However, the retro appeal was great! nice work man, To be honest, i'd love to see you remake this but as a side scroller!
The 13th level, was DEADLY! The game itself was great.
I think i'll have to contact customer services though, the game crashed and I had to restart my console. :P *thumbs up!*