Sixam

Sixam is a location featured in The Sims 3: Seasons and The Sims 4: Get to Work. The name of the lot is a reference to Maxis spelled backwards.

The Sims 3: Seasons
Sixam is mentioned in The Sims 3: Seasons, and functions as a Rabbit hole. Sims and Aliens can travel there by using the Galaxa Space Car with a Space Travel upgrade. They can sometimes return with unique rocks or items.

The Sims 4: Get To Work
Sixam is a secret lot included in The Sims 4: Get to Work. Sims can travel to the planet by constructing and upgrading a Wormhole Generator whilst in the Scientist career, or by upgrading a Rocket Ship with a Wormhole Generator. Scientists may receive an assignment to travel to the planet, where an alien party will be held in their honor.

Aliens can be found inhabiting Sixam, and three unique kinds of otherworldly flora can be found and harvested. Two new crystals and metals can only be found on Sixam, the former of which can derive a new Element. There is also a six-piece collection of Geodes which can exclusively be found on the planet, which give Environment boosts when placed in a house.

As Sixam is distant from the sun, Vampires are totally immune to the effects of sunlight here.

Trivia

 * In The Sims 3: Pets, there is a large bird called "Spotted Sixam".
 * The stadium rabbit hole in Roaring Heights is called "Sixam Field".
 * Mobile phones do not function on Sixam.
 * In The Sims 4: Get Together there is a replacement club called "Society of Sixam".