Pretty legit idea and mechanics. I feel like it needs a bit more polish such as expanding on the level design by incorporating verticality to help put that jetpack to better use. Maybe some more enemy types and weapons too... well, that is assuming you wanted to continue with the development.
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Yeah, I had originally planned for more airborne enemy types which I think would have made the jetpack more useful but it was just a case of running out of time. I'm not sure yet whether I'll develop the idea much further but there's certainly lots of options for adding more variety. At one point I was going to have different fire modes for the gun but that got cut very early on to keep the scope manageable. Thanks for playing!