After launching on July 31, Core Defense from developer ehmprah appears to have done quite well to the point that they've been 'blown away' by the sales numbers.
Core Defense, available today in First Access on itch.io is a Tower Defense game that's trying to be a little different. Throwing out predefined waves and rewards, in favour of a little random generation.
Solo developer ehmprah from Berlin is currently working on Core Defense, a Tower Defense game that mixes things up with randomization and deck-building.
On top of AuroraRL shutting down this month, Coregrounds a competitive strategy game that pulled in elements from both Tower Defense and MOBAs has also shut down. This one has also opened up the code.