When i was a kid (maybe 10-11-12 years old, im 21 now) I used to play an online flash game which was a sci fi FPS shooter where you played a lone soldier tasked with clearing out an entire space ship full of aliens. You started out in the hangar bay getting out of your shuttle and with only a pistol, as you progressed you pick up crazier weapons and fight scarier and tougher aliens. It was a pretty vast game, with good graphics for the time, an ammo/inventory system i think. I know it used Java or Shockwave. I would love to find it again, thank you!