PastForward Games
UpMass
Hearth · Shackleton Rim · the Sling
Pack Hearth. Land tons on the Moon. Raise a city on the Rim. Then fire the Sling at Mars — and later, farther.
Free build · a separate sandbox
The Program: Shackleton Rim and the Sling
No colony clock and no star ratings. Bigger 100 t lifts from High Cape, a city you lay out plot by plot, and a magnetic gun that throws cargo across the solar system. It keeps its own save, apart from the Colony Run.
A PastForward Games original — an LTC Labs company.
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