Build your army to eliminate the opposing team! -Press 1 to spawn a soldier, and use A and D to move it. Click down to place the soldier. (requires 50 coins each). There are many other soldiers you can spawn later game! - When ready press space to start battling! - W to shoot tank - also I added a nuke, press 9 to access it ($200)
Variables are the most useful thing when making games like this.