Super shot:
Hold Reset + Fire to shoot to the other side of the screen.

Teleporting shot:
Place your tank just to the right of the top left corner and fire into that corner. The shot will leave the screen and re-appear from the top right corner.

Turbo tank:
Plug in paddle controllers and press both buttons to speed up your tank.

Spinning tanks:
Place both tanks in a position where one tank's turret is flat against the other tank. Turn the first tank so that its turret runs into the stationary tank. Both tanks will begin to spin in circles.

Flying tanks:
Select game 9 and begin game play. Rotate the tank on the left 180 degrees and fire. If done correctly, the shot will bounce around the screen and hit the right tank. Both tanks should fly approximately three screens to the left before stopping.

Switch tanks:
Select game 9 and begin game play. Rotate the tank on the right 180 degrees and fire. If done correctly, both tanks will switch positions.

Bizarre game play:
Note: The following tricks require a disassembled Atari joystick in order to activate two opposite directions at the same time. The jet tricks can be used to hide inside a cloud and shoot short distance bullets that return.

White tank moves quicker and silently
Hold Left + Right + Down.

White jet switches directions
Press Up + Down + Right. Shoot while holding those buttons to have the bullets leave the jets and return.

White jet turns around
Press Left + Right + Down or Left + Right + Up.

White jet turns around and switches directions
Press Left + Right + Up + Down.