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The Model Operations Processing System (MOPS) has been designed to assist operations on model railroads. It has the look and feel of mainframe systems that would have been in used in the late 20th century.9 weekly downloads
The game is set on mars some thousands of years past today. Earth is a molten ball of fire due to the sun that has super nova'ed into a white dwarf. Mars is now hospitable and is completely terraformed.1 weekly downloads