Chasing the Sunset is a West Marches-style exploration game using Fellowship 2nd Edition‘s Horizon rules.
The party: Buckle the Beast/Heart of Earth, Stella the Halfling/Hunter, Professor Gummidge the Lantern/Mad Scientist
Last time, the Fellowship acquired one of the parts needed for Professor gummidge to build a hyperspace bridge to the Moon. This time, they reach the Moon and deal with what they find.