Mars Mission

Description
Mars Mission is a 1-player arcade game for hte VIC-20.
The player descends a long Martian chasm to try to reach the inner caverns of the planet. The player's ship can move laterally and fire to the right while it slowly descends. As it goes down, the player must avoid mines and incoming rockets. After reaching the bottom of the chasm, the player navigates a series of tight tunnels to destroy the underground Martian reactor.