Monuments of Mars

Rocket to Mars and explore the mysterious structures that seem to be built by an alien civilization. You must rescue trapped NASA astronauts, survive countless hazards, and uncover ancient secrets. Great arcade action and adventure, with plenty of alien surprises. CHEATS To activate the cheat mode, you need to press [capslock], and then press the combination of [shift] [.]. Once you've done that, you can press [pgdn] to advance a level. This will work in either the shareware or registered versions of the game.