That's a great idea. The game looks and sounds great, it was very fun to play and was very polished for a jam game.
I agree with other people that the upgrades were interrupting the flow a bit too much tho
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Thanks for playing!
Yes, I totally agree with all the comments for sure, I think I ran out of time to properly balance things out and figure out a way to have less frequent upgrades (maybe having shops or stops after X number of waves instead would have helped, looping the projectiles until you reach that part).
Maybe if I revisit this concept !