Very cool mechanic that not only makes for interesting gameplay, but also makes sense in sense in the context of your narrative. The recoil is satisfyingly responsive, but the FOV of the camera makes it difficult to maneuver around the ever-changing space, so I found myself crashing into rocks quite frequently. Back that up a bit, add some music/sound, and you've got yourself an engaging arcade game with plenty of potential.
Good work, and good luck! :D