.png){kind=link}
A screenshot of Io, Europa, Ganymede, and Callisto.
Four moons discovered by Galileo and named for the mythological lovers of Zeus.
Introduction
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
| Name | Difficulty | Unlock |
|---|---|---|
| Io | Medium | $ |
| Europa | Hard | $ |
| Ganymede | Easy | $ |
| Callisto | Easy | $ |
| Worlds | |
|---|---|
| Terrestrial Planets | Mercury · Venus · Earth · Moon (Luna) · Mars |
| Moons of Giant Planets | Moons of Jupiter • Moons of Saturn • Moons of Uranus • Moons of Neptune |
| Moons of Jupiter | Io · Europa · Ganymede · Callisto |
| Moons of Saturn | Tethys · Dione · Rhea · Titan · Iapetus |
| Moons of Uranus | Miranda · Ariel · Umbriel · Titania · Oberon |
| Moons 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 Planets | ∞ |