Fullscreen recommended [0-9] - Buy tower hotkey [Space] - Start wave / Fast forward hotkey [,] - Left upgrade hotkey [.] - Right upgrade hotkey Build and upgrade towers , prevent enemies from reaching the goal. Beat all of the waves and battles to win. ver1.0 - Game released ver1.1 - Bug fixes ver1.2 - Sound balancing + Bug fixes ver1.3 - Bullet x/4 rework + Bug fixes ver1.4 - All game modes easier + bullet x/4 buff + booster money path nerf/rework + particle x/3 & x/4 buff + Minor features added / bug fixed