I love TD genre, so these are always fun for me, but not clear what this one has do do with the jam theme (maybe time between waves). Would be nice to see current upgrades level and have a way to quickly upgrade multiple towers at once, otherwise constant upgrade micro-management becomes too repetitive. Catapults feel OP, I figured that just having 20 of them at creeps spawn point would obliterate them as the spawn, reached 200+ wave and creeeps still wouldn’t stand a chance against those catapults.