Indie game storeFree gamesFun gamesHorror games
Game developmentAssetsComics
SalesBundles
Jobs
(+1)

Thanks for the reply. The upgrade system was the last thing I was doing and it came down to the wire, so the jam version has 2 big bugs shipped. One is that only tower one is upgradable and second is that upgrading past level 7 causes a crash. There is a link to a version with bug fixes, but no new features (to stay in the spirit of the jam), in the description, if you would like to try that.