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The Sims 3 Seasons: Aliens

Brain Powers, Finding Aliens, Abductions, and Alien Babies

The Sims 3 Seasons Expansion Pack
SpringSummerFallWinterAliens
Aliens in The Sims 3 Seasons
An Alien Male and Female Sim and their Galaxa Space Car

Aliens are a new type of non-Human Sim available in The Sims 3 Seasons. These extraterrestrials visit the neighborhood to learn about Sims on Earth and may even abduct them and perform experiments. This guide will teach you how to get an Alien, Alien babies and Male Sim pregnancy, and the special abilities Aliens get in The Sims 3.

Finding Aliens

How to Get an Alien to Visit
Aliens have a chance to visit each night between 12am and 3am. A visit lasts only an hour and a half to two hours. Visits are distinct from abductions and allow your Sim to socialize, possibly befriend, and even ask an Alien to move in with them.

The base chance of a visit is 5%. Collect space rocks and store them on your lot. Once you've got five, aliens have a +15% additional chance to come to your lot. Once you've made friends with one, there will be an even greater chance of visits. If an Alien doesn't visit your home lot, there's a 20% chance each night they'll appear somewhere around the neighborhood and leave behind a few space rocks. When you've met an Alien, you can invite them over using the phone, so making friends with them is easy.

Alien visitors once befriended may be asked to move into your household. They always start with level 10 logic and level 7 handiness. This will give you permanent control over the Alien, along with their Galaxa Space Car.

An Alien abducts a Sim in The Sims 3 Seasons
An Alien Abducts a Sim

Alien Abductions
Aliens are more likely to abduct a Sim than to visit, simply because of the powerful effect collecting space rocks has on this. To trigger an abduction on your home lot, having a Sim use a telescope is a good place to start. The base chance of an abduction is only 2%, but using a telescope that day adds a +13% chance they'll visit on a given night. Collecting up to two space rocks will each add a 37.5% chance to the visit for a whopping 90% chance of a visit. This seems to reset so that you don't always find your Sims getting abducted, giving you a little bit of control over how often it happens.

When a Sim is abducted, they'll have a bad Abducted moodlet for about twelve hours. Nothing too bad will happen to a female Sim, although a male has a 33% chance to have the pregnant (Unexpected Weight Gain) moodlet when the Abducted moodlet wears off. If you want to ensure your abduction results in pregnancy, save before this moodlet wears off and reload until the Unexpected Weight Gain moodlet appears.

Alien Babies and DNA

A male Sim in Seasons - Pregnant with an Alien
A Pregnant Male Sim will Have an Alien Baby

Male Pregnancy and Alien Babies
After a male Sim has been abducted and has later had the Unexpected Weight Gain moodlet appear, you know he is pregnant. The Sim will put on weight quickly as the baby grows, and birth will occur 48 hours later. You'll be asked if you want to keep the Alien Baby or send it back to its Homeworld. The choice is yours. If you keep the baby, you'll get to pick the traits. Raising an Alien baby is no different than a normal one.

An Alien Baby in The Sims 3 Seasons
An Alien Baby with Her Father

Alien Pregnancy & Passing DNA
Of course, the Abduction pregnancy is not the only way to get a Sim with Alien powers in your household. Human Sims and Aliens can Woohoo and make babies. So long as the baby's DNA is at least 50% Alien, they will have access to alien telepathy powers and use the Brain Power motive instead of Energy. Supernaturals like Fairies and Werewolves can reproduce with Aliens, and may appear quite interesting (having mixed features of the parents), but the occult DNA will make the Alien powers unusable.

Alien Powers and Features

The Sims 3 Seasons' Alien Galaxa Space Car
An Alien Pilots a Galaxa Space Car

Alien Ship: The Galaxa Space Car
Aliens you invite to move in will come with their ship in their inventory. This is the fastest way to get around, as it can warp from one location to another in the blink of an eye. These can be upgraded with one of two upgrades, each requiring level 7 Handiness (which your Alien has). You can outfit them with laser cannons, which will let them use the craft to invade a lot of your choice. This is just for fun, and the user will indeed get a good moodlet out of it - that is, while the targets on the ground have their clothing singed off.

The Other upgrade seems silly - Space Travel. Can't it already do that given it's in your neighborhood? Oh well. Either way, outitting the spacecraft with this upgrade will allow the Sim to visit one of three places: The Moon, The Asteroid Belt, or The Planet Sixon to go on Rabbit-hole style text adventures which can reward valuable metals, gems, and a wide variety of items.

You can buy the Galaxa Space Car using the buydebug cheat.

An Alien Invades a Festival Lot with Laser Cannons on their Ship in The Sims 3 Seasons
An Alien Invades the Festival, Ship Upgraded with Laser Cannons

Alien Brain Power
Aliens use Brain Power instead of the energy motive. They get to use Restore Brain Power (click the Alien) to restore this, much like meditation. They can fill their bar in 5 hours. They won't get a well rested moodlet, so popping into a bed for a few minutes can give them that mood boost. They'll also restore energy by consuming Space Rocks. The bigger the rock, the more power restored. The drawback to recovering their energy so quickly is that it's used to fuel their special abilities. They have one more major trick though, which can be used to help themselves or others:

Bio Boost and Bio Drain
Using Bio Drain on a Sim will sap his or her Social, Hygiene, and Fun motives and transfer them to the Alien over one hour. This refills about a third of each of these bars. The Alien could even use Restore Brain power or eat a meal after doing this to have four motives moving upward at once. The Alien may be giving, and use Bio Boost on a Sim to do the opposite and channel their needs to aid the target Sim in recovering theirs. Bio Boost and Drain can't be used on other Aliens.

An Alien transmutes a gem in The Sims 3 Seasons
An Alien Using the Transmute Brain Power

Transmute Object
Aliens can transmute Gems and Metals to make them higher value, or bump them up to the next most expensive item of that type. This is much more orderly than the Witch's transmutation. The odds of an item failing to transmute is determined by the value. An item under 100 Simoleons only has a 5% chance of failure, while any over 500 will fail 30% of the time. The mood of the Alien using this helps or hinders as well.

Forum member LordHellscream contributed a tip to making loads of cash with Seasons' Alien Transmute if you also have World Adventures installed. Learn how to use transfiguration to get filthy rich.

Repair Broken Objects
Aliens don't need the Handiness skill to repair broken household appliances and plumbing, they can do so with their minds. Quickly.

Scan and Probe Sims
Aliens can pull a joke on other Sims by whipping out the Probe, which will give them a scare before they hopefully laugh in relief. Their more useful ability is to Scan - which consumes brain power but will teach you one of the target Sim's traits.

Summon Meteor
This requires The Sims 3 Ambitions Expansion Pack. Using a lot of Brain Power, an Alien can call down a meteor strike onto an area. This works just like the random meteors that may strike with Ambitions installed, only the Alien knows it's coming and can stand back and observe. This is a good source of Space Rocks for recovering Brain Power, and occasionally as a particularly catastrophic way to make money. People who don't have Ambitions can collect space rocks from the world and use the Steal Space Rocks option below.

An Alien Probes a Sim in The Sims 3 Seasons
An Alien "Probes" a Sim

Steal Space Rocks
Clicking the Science Lab between 8pm and 6am with an Alien Sim will allow them to go in and steal four Space Rocks. There's about a 60% chance they're tiny, 25% large, and 15% gigantic. This never seems to fail and is a neverending supply of cash for Aliens.

Sell Alien Secrets
At the Military Base in town, your Alien can sell what they know to betray their kind but profit nicely in the process. This can be done every 36 hours and will get you between 1500 and 2000 Simoleons. The interaction is available between 6am and 8pm.

Part-Time Career: Alien Test Subject
A new Part-time career exists only for Aliens. You can sign up at the Science Lab in town. There are three levels here, with mood being the only metric. All work M-F from 4-7PM. Associate Probe Testers make $64/hour, Specimen (Living) makes $84, and Organ Farms make $114 an hour. There's a 20% chance your Alien will be nauseous after work from all the strange experiments. Overall, stealing samples is more profitable than these jobs.



Share Tips and FAQs (124)

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SBNao says...
Only males get pregnant by abduction, not females. You'd have to befriend an alien and start a relationship with a human Sim female to get a half alien baby the normal way.
17th September 2013 12:19pm
Brandon says...
Just make an alien in create a sim..... Go to supernatural type. There is a mod and a cheat. There is also a mermaid and zombie one.
9th November 2013 9:55pm
akalbhen says...
I couldn't find the zombie, mermaid and alien sim can you send the links?
16th November 2013 10:21am
Mary says...
How long after the abduction moodlet wears off does the unexpected weight gain moodlet appear? Because I have reloaded the game 3 time, nothing, and even had my sim abducted a second time.
12th January 2014 2:13pm
Playalot says...
If the male sim is pregnant the weight gain moodlet will appears immediately after the abduction moodlet wears off.
29th January 2019 6:04pm
Brooke says...
How long after the unexpected weight gain moodlet appears does the man give birth... Or whatever happens?
12th January 2014 4:24pm
Mynameisfrench says...
I was able to have my sim have an affair with an alien that came by. She had been abducted twice, and that's pretty much all. But when she had twins with her alien guy, a boy and a girl (who were part alien) When the kids turned into teens they finally got to use their inherited abilities, except the boy couldn't restore himself because actions were unavailable, as well as sims couldn't interact with him, unless he did. The girl is perfectly fine, but its a bummer that I couldn't help the boy ( I didn't really want to go searching around for space rocks), since he wanted to be an astronaut. :(
Admin:
Did you try resetting him to see if that would help?
6th July 2013 2:41am
Amanda says...
I don't understand the upgrade, it won't let me upgrade:(
Admin:
You have to click on the spaceship to upgrade it if that's what you mean. It has to be in a parking spot and you have to have high enough handiness skill. The upgrades are also one or the other not both.
25th June 2013 8:18pm
Ranaki says...
My male sim was abducted, but it's my female sim (his girlfriend) that does all of the collecting. Any who, he got abducted, had the unexpected weight gain, then had the baby. I said to keep it, named it and chose the other trait (it came with artistic so I just left it) and the extra square for a sim showed up, but there's no picture. I've tried to locate it by right clicking the empty box, I've even tried doing resetsim a few times. Saving and going back to it, the picture has the baby in the "Family portrait" in the pick a family screen, but his square is not there anymore, he just ninja vanished on me.
21st May 2014 2:07am
Butter says...
If a female sim is abucted by aliens does she have a chance to have a alien baby?
10th May 2014 2:57pm
Playalot says...
No, only male sims can get pregnant from an Alien Abduction
29th January 2019 5:51pm
Someone says...
On my game the space-car is at the bistro. If the car is on a lot and won't move (I watched all night and it didn't budge)Will it be able to have Aliens on other lots?
25th November 2013 5:25pm
Playalot says...
Sounds like the car is glitched, turn on cheats and delete it. If your sim is star gazing and has done some space rock collecting other aliens will eventually appear in your game.
29th January 2019 6:01pm
RW says...
Does age have anything to do with abduction pregnancy? I have been trying with one sim (male, normal non occult, just usual) since he had changed to a young man, and now he is close to aging to elderly. Could it be that men who are older men (but not elderly) cannot be abducted or get pregnant? He has never even been abducted, and I have tried for most of his life, day, night, I have about 10 large space rocks on the ground near the telescope. It is rather frustrating. Another thought, is that the neighborhood is the wrong one, it is the "Hollywood" community. Thanks
Admin:
The act of collecting space rocks and looking through the telescope every day will increase the chances of abduction. All neighborhoods have access to aliens so that shouldn't be a problem. I also think elder males can become pregnant so that shouldn't be an issue. Does your Sim live in a high rise or have his own lot? Maybe he doesn't know the sky effect and that's why he's not the one getting abducted.
28th June 2013 6:10pm
Frankenbeasley says...
I'm running with WA, Ambitions, and Seasons in Lunar Lakes. My Sim with low logic, no telescope, and a single small space rock in his inventory has been abducted twice in his first fortnight - becoming pregnant after the second time. The one thing that I did just before this was to pick a Cosmos wildflower and place it on the desk in the front room.
Given the name 'Cosmos' and the fact that the flower is classed as Special, I was wondering if it might not be that it has a hidden effect on the percentage chance of abduction.
Admin:
There's nothing in the game code that suggests it but that is interesting.
29th June 2013 1:05pm
IHaveAnAlien says...
I didn't do any of this stuff and my sims' kid's best friend is a female alien. X,D
10th March 2014 1:58am
Littleuni says...
I met a sim (Pip Goodfellow) that people think is an alien, and in my relationships tab his picture has a green glow. Does that mean he is an alien?
8th March 2014 11:05pm
heartKitty11 says...
Well sorry to say but, no it means he is a fairy.
25th July 2017 12:37pm
Elena says...
I have many mods in my The Sims 3, does it change anything? Because since the day I bought Seasons (like 3 months ago), I haven't had any of my sims abducted
23rd February 2014 5:20pm
Nancy says...
I always save just before midnight and reload to get them abducted.

I have had a really hard time getting them abducted on their very first day of their "lives", but no problem on the 2nd day.

Usually just 4 or so space rocks, and I might have a few of them stargazing.

Sometimes I think it helps to have someone at home who isn't so busy, as they are always the one off to explore the happenings and get abducted.

If you are doing these things, try with no cheats.

I use the awesomemod, and a handful of mod the sims cheats having nothing to do with aliens and it works fine.

Nancy
27th September 2018 8:07pm
Simmyboy says...
How can my sims song get pregnant by his alien husband he wants a kid by the alien but I can't do it
20th February 2014 9:09pm
Playalot says...
Male sims can only get pregnant through an Alien Abduction in The Sims 3. Not through the Try For Baby interaction unless you use Mods.
29th January 2019 6:03pm
Lexmechanic says...
It may be worth mentioning that the Galaxa Space Car can only warp between locations connected by a continuous stretch of road. This relevant for World Adventures neighborhoods, which make heavy use of foot paths, and Isla Paradiso, where a Sim would be well advised invest in a good boat as well.
4th October 2013 8:30pm
A random guy says...
It's a car, after all. Sadly, in The Sims 3, all the cars, bikes and witch brooms can only go on streets. I wish we could have bike paths, even if we could place them only on lots and even if we would need to buy them from the store. I also wish that witch brooms and the Galaxa Space Car could fly, which they sadly can't. Still, looking at the limitations of The Sims 4, I'm glad that TS3 has only a few, less significant limitations.
13th July 2018 12:46pm
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