Cannon Alone

Description:
Shoot the incoming enemies and use bombs if you have to. Upgrade your turret.
How to play:
Mouse - Aim / Shoot.
Spacebar - Bomb.

Earth Invasion

Description:
Destroy alien invaders by bouncing your shots off the walls, You have many chances to save the earth.
How to play:
Arrow keys left / right - To move.
Arrow keys up / down - To navigate special weapons menu.
Space bar - To shoot.
Control key - To deploy / activate special weapons.
P - To pause / resume.

Cannon Commander

Description:
Defend Your Castle.
How to play:
Left / Right Arrow Keys - Rotate the cannon.
Up / Down Arrow Keys - Increase / Decrease the shot.
Z - Fire.