It's a super smart synopsis of a flappy bird style game while also keeping the player extra-conscious of the fuel mechanic! The physics of the hot air balloon without the flame can feel wonky and slow, and it's a little difficult to manage. I like that you utilized what assets were available to you to make a unique game though. Love to see more in the future!

Neat game! The momentum completely stopping when you're not holding the arrow keys is a bit awkward at first. I think if you changed the momentum and increased the speed a bit, you could get some fun levels.