Sims 4 Infant Milestones List [Complete Guide]

Sims 4 Infant Milestones: Caring for babies in The Sims 4 has its own set of challenges. Now, thanks to the Growing Together Expansion Pack, the experience is even more complex and fulfilling.

The new system is engineered to make a player’s journey fulfilling and enjoyable, and the introduction of a milestones system will definitely scratch the right itches. In this guide, I will discuss everything there is to know about infant milestones, tips and tricks to achieving them and the best mods to suit your needs.

When unlocking core milestones, or working towards achieving every “First” life event, I will make sure to help you transform your sims into underperforming infants for overachieving toddlers.

What Are Sims 4 Infant Milestones?

The milestones system was made available with the Growing Together expansion, and it tracks the developmental progress that the infant Sim children are making. The older children can now be fully realized as they will gain the ability to walk with the ‘first steps’ and run,’ and tackle other unimaginable feats. This is the first system that will give infants a range of notable firsts and achievements making them more engaging and diverse.

Milestones are broken down into three groups: Social, Gross Motor, and Fine Motor. Each of them represent the infant’s development and progress. Unlocking these not only makes storytelling better, but as well impacts gameplay as the Sims family will gain more bonds because of them.

Developmental Milestones Breakdown

• Social milestones: With these, you will be able to track the first instance of your infant interacting with the word like cooing, smiling, or waving.
• Gross Motor Milestones: Gained during rolling, sitting and crawling, which are the initial steps towards more advanced physical self-sufficiency.
• Fine Motor Milestones: Gaining a pincer grasp to pick up food, snatch toys, or even put their toes on the mouth.

In total, there are 22 milestones a child is expected to achieve, which means many chances for your baby to demonstrate their skills and cuteness.

Why Are Milestones Important?

Milestones define the chronological order in which your child will walk or move, and also add depth and a layer of realism to your Sims’ lives. Now picture this: It’s your baby’s first laugh, and you are cheering as they raise their head for the first time. These moments not only provide positive experiences, but also help shape what will become toddlers.

Moreover, completing these milestones alters many gameplay mechanics by increasing an infant’s effectiveness in fulfilling their needs. For instance, when infants reach the milestone for “Learned to Sit Up”, they will sleep less, which means you will be able to spend more time on other aspects of their development.

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How to Hit All Infant Milestones Quickly

For players looking to clear all milestones, here is an easy step-by-step plan so you have the most accomplished infant this side of the world.

Step 1: Start with a Goal

Decide on objectives for your Sim family’s baby.

As an example, in our Food Stand Rags to Riches challenge with Elodie Banks, we focused on completing all of the developmental milestones and recording as many ‘firsts’ as we could. If you want to complete this challenge, allocating resources and prioritizing milestones will keep you on track.

Tip: Play on the long lifespan setting to unlock as many milestones as possible.

Step 2: Focus on Early Social Milestones

The first milestones like First Smile, Learned to Coo, and Learned to Laugh are quite easy. Have your Sim caregivers frequently talk to and play with the infant by utilizing Peek-a-Boo and “Talk to” options.

Step 3: Encourage Gross Motor Activities

Interacting with the infant during tummy time helps to achieve gross motor milestones with infants, like learning to lift their heads or roll over. Be sure that the caregivers are providing opportunities for success by placing the infant on a playmat.

Tip: Tummy time tend to make infants grumpy, so be ready to calm them down if need be.

Step 4: Unlock Fine Motor Skills with Toys

Introduce toys to infants that allow them to work on fine motor skills. Place toys in arms reach that could be grabbed, waved, and eventually picked up with a pincer grasp.

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Step 5: Celebrate First Foods

Infants that have reached the sitting-up milestone are ready to experiment with solid food. Once they begin to sit in a highchair, try out baby foods to earn First Baby Food and First Finger Food milestones.

Step 6: Don’t Forget “Firsts” Life Milestones

Infants are able to unlock life moments in addition to the many developmental milestones.

These include items such as First Bath, First Family Visit, and yes, even First Diaper Blowout! These ‘firsts’ are unlocked by certain gameplay events which completes your child’s life story.

Challenge Yourself: See how many “First” milestones you can reach while never leaving your home lot when your Sim infant is learning to eat solids.

Improving Infant Gameplay Through Mods

Mods can make achieving certain milestones a lot less frustrating and a lot more enjoyable. One of the most recommended mods is Bienchen’s infant mod because of the many modules that alter the gameplay mechanics.

Key Features of Bienchen’s Infant Mod

Less Checking on Infants: Caregivers’ focus is more on non-infant aspects, and attentive micromanagement to infants is less needed.

Need Adjustments: Infants require less rest after specific motor milestones and have a reduction in the number of diaper explosions.

Speed Up Progress: Some modules in the mod accelerate the milestones of crawling and pulling to stand.

This mod does not disturb the difficult parts of the gameplay but rather enhances the easy parts so that achievement feels better balanced and rewarding.

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Sims 4 Infant Milestones List

• Infants Born
• Born at a Clinic
• Received by Adoption
• Learnt Reaching
• Learned Grabbing
• Putting Toes Into Mouth
• Waving
• Clapping Hands
• Pincer Grip
• Head Lifting
• Back To Tummy Rolling
• Tummy To Back Rolling
• Creeping
• Learned to Sit Up
• Pulled to Stand
• Learned to Dance
• Learned to Crawl
• First Smiled
• Learned to Coo
• Learned to Laugh
• Learned to Babble
• Learned to Blow Raspberry
• Said First Word
• Learned to Blow Kiss
• Learned Peek-a-Boo
• First Visitors
• First Bath
• First Bubble Bath
• First Baby Food
• First Finger Food
• Slept Through the Night
• First Diaper Blowout
• First Family Visit
• First Trip to Park
• First Vacation
• Peed on Caregiver

Combine Goals, Mods, and Gameplay for an Enriching Experience

Playing with infants in The Sims 4 offers a fantastic blend of challenge and cuteness. By setting clear goals, focusing on early interactions, and leveraging tools like mods, you can create a fun, efficient experience that makes your Sims family’s story unforgettable.

Whether your infant is learning to wave or testing their first food, every milestone brings a new layer of depth to your Sims’ lives.

Final Tip

Need help navigating the new mechanics? Bookmark this Sims 4 Infant Milestones guide and revisit it as you explore milestones in your next session. We’d love to hear about your experiences—feel free to share your favorite infant moments in the comments!