Aspirations in The Sims 4 are what motivates your sim to live their life! Within the game, there are several knowledge-based aspirations that you complete, with many being included in various expansion packs for The Sims 4. One aspiration that you can complete is Nerd Brain.

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If you want your sim to be a genius rocket scientist, then this is the perfect aspiration for them. In this guide, we are going to take a look at how to complete this aspiration, as well as what you can gain after completing all four levels. This aspiration is part of the base game, so you don't need to buy any expansion to select it.

What Is The Nerd Brain Aspiration?

The Nerd Brain aspiration requires your sim to become both logical and handy. While aiming for this aspiration, they will also need to be pro at launching a rocket.

Unlike many other aspirations, this one does not involve reaching the top of any career path. Still, a great job would be one that requires sims to have high handiness or logic, such as being an Astronaut.

Best Traits For The Nerd Brain Aspiration

It's possible to complete the Nerd brain aspiration through sheer will and determination, but there are some traits that pair well with it. Below, you can find each trait, as well as what it does for your sim.

Trait

Description

Notes

Genius

More likely to become Focused

Prefers to read or play chess for fun

Can solve Hard Problems, which builds logic

N/A

Morning Sim

Build skills faster in the morning

This can be bought from the Aspiration store for 1,000 points

Night Owl

Build skills faster at night

This can be bought from the Aspiration store for 1,000 points

Speed Reader

Read books faster

This can be bought from the Aspiration store for 1,000 points

All four of these traits are available in the base game.

How To Complete The Nerd Brain Aspiration

Level One: Prudent Student

Requirements

Finish 3 books

Reach Logic level 3

This first step is fairly easy; simply gain some logic and read a few books. Books can be read from any bookshelf; this step does not require you to read any specific type of book. If you want to be as efficient as possible, you could read handiness or logic books.

The best way to increase logic without a book is to play chess or use a telescope.

Level Two: Erudite

Requirements

Repair or upgrade an object

Craft an object at a Woodworking Table

Reach Logic level 6

Level two of the Nerd Brain aspiration starts to introduce handiness. At this point, you can continue to increase logic as you have been (playing chess or using a telescope are still great options).

In addition to this, you will need to buy a Woodworking Table. Your first few creations will be kind of... bad, but as you increase your handiness skill, they will get better.

Lastly, to repair an object, you will need to be at least level two in handiness. At this point, you can upgrade plumbing objects; we suggest upgrading a sink or toilet. Remember, to do this, you will need to upgrade parts. These can be salvaged through scrap piles or purchased online after reaching handiness level two.

Level Three: Rocket

Requirements

Reach Handiness level 5

Launch or upgrade a rocket 5 times

Own a rocket ship

Moving on to level three, you will now need to increase your handiness and get your hands on a rocket. There is one rocket type that you can get from Build/Buy mode, as well as two more that unlock through the Astronaut career.

Once you place down a rocket ship, you will still need to build it. This can take a while, but once all three sections of the rocket are complete, you will unlock the rocket science skill. The easiest way to complete this skill is to launch five times (rather than upgrade five times).

Between each launch, there is no extra building that you need to do. So, set out into space, return home, take care of some needs, and then set out again!

Level Four: Nerd Brain

Requirements

Reach Logic level 10

Fix or upgrade 5 objects

Now, we are on to the final step of the Nerd Brain aspiration. Interestingly, this isn't too difficult compared to the previous level. Continue to increase your logic until you reach level ten. You will also need to use your handiness to fix or upgrade objects.

If you come across any broken items, simply fix them! This isn't easy to anticipate though, so we suggest upgrading everything. This includes every bathtub, shower, toilet, and sink, as well as kitchen appliances.

Reward For Completing The Nerd Brain Aspiration

As a reward for completing the Nerd Brain aspiration, you will receive 5,000 Aspiration Points, as well as the Handy trait. This is a helpful trait that gives you the ability to instantly fix and upgrade any object.

This may seem simple, but it completely cuts out the time it takes to upgrade something. Instead, you simply need to click on the object of choice and select the option to do an instant upgrade.

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