I think it is a fun game with a lot of potential, just after a couple days it felt hard to be able to afford the upgrades, and it felt like the gas canisters were very rare to find.
Think it has a lot of potential to be a fun game, reminds me of the older games where you would fly up until you ran out of fuel and then upgrade and go again :) I think one of the ones I am thinking of was called turtle fly