The Sims 4 Age Up Cheat Code (+ More)

Do you wish your sims to go back and enjoy their high school years again?

Or maybe they are ready to experience the golden years.

With the sims 4 age up cheat, you hold the key to eternal youth!

three life stages shown for sims 4 age up cheat

Aging is something many of us wish we could slow down or avoid altogether in our lives.

But in sims 4, we often wish we could move our sims faster along their lifespan.

And sometimes you also want to keep our sims loved ones around for a little longer.

With the sims 4 age up cheat, you get the option to do both. Let’s see how this cheat works!

Sims 4 Age Up Cheat

If you don’t plan on waiting for your sim to age up naturally, there is a cheat code to cut down on time dramatically.

You can get ahead by following these easy steps:

  • On your PC, to open the cheat box, press [CTRL] + [SHIFT] + [C] on your keyboard

  • With the cheat console opened, type testingcheats true or testingcheats on

  • Then press [Enter]

  • After enabling cheats, type in the cheat code cas.fulleditmode

  • Click the [ESC] key to exit the cheats window

  • Hold [SHIFT] and click on the sims you want to age up

  • In the action menu, pick Modify in CAS

  • From the CAS screen, you are free to modify your sims however you like, including their age stage, which is what we want.
screenshot of modify cas option for sims 4 age up cheat

Age Up in Sims 4 Without Cheat Codes

Besides the above cheat, there are different ways to speed up the aging process.

You don’t necessarily need to wait for your sims to automatically age when it’s their time.

There are a bunch of other options that don’t require this sims 4 age up cheat code.

1. By Baking a Birthday Cake

Yup, you read that right. No need to throw a birthday party; we just need a plain old birthday cake.

You can age your sim by simply having your sim bake any cake, placing birthday candles on top of it, and blowing out the candles.

Note: The sim blowing out the candles will be the one to age.

screenshot sim blowing candles on birthday cake

2. By Changing Your Game Settings

You can shorten the lifespan of your sims, by simply changing the game settings.

You can do this by following these steps:

  • Open the Game Menu
  • Go to Game Options
  • Then select the Gameplay tab on the left
  • Change the Sim Lifespan to Short
  • Click on Apply Changes
  • Return to the game
screenshot game settings to change lifespan duration

3. Through a Baby’s Crib

Aging up a baby is so simple. All you need to do is have the baby in its crib.

Click on the crib, go to More Choices, then select the Age Up option, and that’s it. I told you it was easy.

They grow up so fast, don’t they? Sniff sniff.

4. With a Floral Arrangement

If you have Sims 4: Seasons, you can have a gardening career, grow your plants, and make flower arrangements.

As your skill level progresses, you have more options in terms of flowers and scents.

When you reach career skill level 9, you can add the scent of a Death Flower to your arrangement.

Death Flowers are pretty rare, and when added as a scent to your flower pot, this will cause the giftee to age up.

You can make your own death flower, using your gardening skills to graft multiple plants together.

Note: Giving this flower arrangement to an elderly sim is terrible, as it will cause death on that poor sim.

5. Play with a Different Household

If you have multiple households at once, consider switching to them for a while, letting the other households age naturally.

You have to ensure that your game settings allow unplayed sims to age. To do this, follow these steps:

  • Open the Game Menu
  • Go to Game Options
  • Then select the Gameplay tab on the left
  • Check the Auto Age (Unplayed Sim) box
  • Click on Apply Changes
  • Return to the game
screenshot game settings to auto age unplayed sims

6. Avoid Pregnancy

A sims 4 pregnancy prevents your sim from aging.

Pregnancy essentially stops a pregnant sims aging process until the baby is born.

So, if you plan on aging your sim, avoid any delays, such as pregnancy.

silhouette pregnant women with the no symbol

How to Age Down a Sim

Not only can you age up your sims using these tips and tricks, but you can also age them down.

Here are a few ways of getting your sims to become younger.

1. Age Down Using the Sims 4 Age Up Cheat

Yes, using the same cheat to age up can be used to age down.

Okay, so your adult sim has recently aged into becoming elderly, not to worry.

All you have to do is follow the same steps as the sims 4 age up cheat, which are:

  • Pop up the cheat box
  • Turn cheats on
  • Type cas.fulleditmode
  • Edit your sim in CAS by shift-clicking on it

You would want to choose one of the younger life stages for your sim this time.

The only exception is you cannot age down a toddler into becoming a baby again.

screenshot of aging down sim using the sims 4 age up cheat

2. Sims 4 Potion of Youth

When your sim consumes this potion, they will regain their youth, but only for their current life stage.

In this example, your sim simology bar is almost full, meaning your sim will advance to the next life stage.

Your sim Mika is transitioning from teen to young adult.

Drinking this potion will reset the simology bar, meaning Mika is still a teen and will start over the teen stage.

You can find this potion in the rewards store in the Aspiration tab. The potion of youth will cost you 1500 satisfaction points.

Don’t have enough satisfaction points? No sweat. We have a cheat for that.

Check out our article about Sims 4: Satisfaction Points Cheat.

screenshot of sims 4 potion of youth in rewards store

3. Sims 4 Essence of Life

You can obtain the Essence of Life through a plant, the Laganaphyllis Simnovorii, better known as the Cow Plant.

To grow your plant, you must find and then plant a cowplant berry. There are several ways to find this rare berry.

The easiest way to find the berry would be fishing in the Forgotten Grotto, located in Oasis Springs.

This carnivorous plant can be “milked” for its essence, but the thing is, before giving up the goods, the plant must first feast on a sim.

If you cherish your sims, you can unlock the essence using the Sims 4 Cheat: Unlock All Items.

Drinking this nectar of life will reset your current simology bar.

4. Sims 4 Age Away Serum

Much like the potion of youth, this serum will reset the current life stage of your sim.

However, this serum is only available if you have the Sims 4: Get to Work expansion pack.

If you have the expansion pack and your sim scientist reaches career level 10, they can create the serum.

You would need the following ingredients to be able to brew it:

  • 1x Quill Fruit
  • 2x Alien Crystals
  • 1x Xenopetrium

How to Age Up Pets in Sims 4

Sims age, but they aren’t the only ones. Pets can age, too! There are a few ways of aging your pets.

1. Using a Cheat Code

You can use the same sims 4 age up cheat for your sims and apply it to your household’s pets.

If your pets are getting old, you could use the cheat the other way and make them younger.

2. With Pet Treats

Depending on the desired effect, you can feed your pets with the Age Up or Age Down Treat.

You can craft the treats you will need using Dr. Magi-Heal’s Medicine Craft-o-Matic machine.

You can buy the machine for 1200 simoleons or find them in vet clinics.

In any case, your sim must have a Veterinarian skill level of 6 to be able to make these special treats.

Check out this video for a quick tour of Dr. Magi-Heal’s Medicine Craft-o-Matic.

Final Thoughts on Sims 4 Age Up Cheat

Young or old, with the sims 4 age up cheat, you can decide how you want your sims to age.

There are many fun and interesting tips and tricks to playing the sims 4.

Depending on your plans, you can turn your sims into an elderly sim or a teen again to restart their life’s journey.

And let’s not forget our precious pets; if only we had the fantastic option of turning them young again in real life!

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