A screenshot of Io, Europa, Ganymede, and Callisto.

Four moons discovered by Galileo and named for the mythological lovers of Zeus.

Introduction[edit | edit source]

Since Jupiter is a gas giant that cannot possibly be terraformed, we get to terraform Jupiter's moons instead. This set of Moons is for sale. Or you can get the all access pack.

Planets[edit | edit source]

Name Difficulty Unlock
Io Medium $
Europa Hard $
Ganymede Easy $
Callisto Easy $
Worlds
Terrestrial Planets Mercury · Venus · Earth · Moon · Mars
Moons of Jupiter Io · Europa · Ganymede · Callisto
Moons of Saturn Tethys · Dione · Rhea · Titan · Iapetus
Moons of Uranus Miranda · Ariel · Umbriel · Titania · Oberon
Moon of Neptune Triton
Dwarf Planets Ceres · Pluto · Charon · Makemake · Eris · Sedna
Trappist-1 Damu · Aja · Huanca · Ruaumoko · Asintmah · Ostara · Aranyani
Fictional Planets Bacchus · Pontus · Lethe · Ragnarok · Boreas
Historical Earths Vaalbara · Rodinia · Cambria · Cretacea · Dania · Chibania · Ultima
Random Planet
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