Ludume Dare 44

Theme: Your life is currency

Description of game: : You are the last rampart between the alien invader and the last source of energy of humanity! Would you like to have fun with your blaster rifle and turrets at your disposal?

Controls:
ASDW / ZQSD to move
mouse to aim
right click to shoot
E to build or improve a turret
E to open the shop
Warning: the controller is not supported because of the programmer

Link: :PLAY