Slime Defense (fraudgame)

Arrow keys to select towers. WASD to move camera. Scroll to zoom. Left-click to buy towers, right-click to sell. Towers cost 10 gold and sell for 7.

Full source here: 

https://github.com/bilznatch/SlimeDefense
Disclaimer: code quality is very low and a lot of things are kind of just thrown together. I probably did everything for this game in under 8 hours. Some interesting tidbits in there for mega beginners maybe.