Thank you for trying out our game and I'm glad you liked it. Also thanks for your feed back it would help us with future jams to keep it in mind. The reason as to why we didn't implement the drag, was that unity was buggy us (specifically me) though out the jam, and it wasn't working properly. So I thought it would've been simpler and easier to implement the select click system. Would you mind to tell us what the exploit is?
Viewing post in A Shot At Space jam comments
Yeah it was a very tight deadline, so its hard to get everything fixed of course. It wasnt really a problem once I figured it out though, so hopefully other players dont get stuck on it :)
Regarding the exploit: If you have a booster selected when the flying starts, then you can build->remove->build->remove->build the booster infinitely during the flying phase, and it just restocks your fuel.
There is nothing that prevents you from building when its flying :D