Space Angle

Space Angle is a print and play space battle game that is played on an empty piece of paper. The rules provide a setup for the game, with each player drawing a home base and three spaceships, and a star and some asteroids in the middle.
The goal is to shoot down all of your enemies ships or destroy their homebase. On a turn, a ship can either move or shoot. For movement, draw a line from your ship's current position to the new one. For shooting, put a ruler to your ship and see whether it hits anything. Asteroids are destroyed by hitting them once, while spaceships or home bases will be destroyed on the third hit.
For solo play, some alien ship sheets are provided; these are placed on the far end of the battlefield.