Instructions and controls: Use the interface on top of the screen to check the status of your tank. You can also use it to control your tank if you do not want to use the keyboard. Move your tank using the keyboard with the left and right arrow keys. Adjust the angle of your turret using the up and down arrow keys. Control the power of your shot using the page up and page down keys. Hit the space bar to fire. Select weapons using the Q and E keys. You can purchase upgrades and weapons after each battle.