Atari 1nvader

1NVADER is a game for the Atari 8-bit played with one button, one laser, one 1NVADER, and one life. Play co-operatively or competitively with a friend, or face the 1NVADER alone.
Instructions
The cannons move from side to side automatically, pressing fire releases a missile and reverses the direction of the cannon.
Notes
Atari 8-bit computer port (parody) of Darren Foulds' C64 1nvader game