What Is the 100 Baby Challenge?

The 100 Baby Challenge is one of the most popular and long-running community challenges in The Sims franchise. The premise is simple but demanding: a single Matriarch Sim must have 100 children across multiple generations, each with a different father. It's a test of time management, household juggling, and strategic gameplay — and it's wildly entertaining.

The challenge was originally created by Sims YouTuber Lilsimsie and has since been played and adapted by countless players worldwide.

Official Rules Overview

While variations exist, the most widely accepted ruleset includes:

Core Rules

  • Start with a Young Adult female Sim with no pre-existing family
  • She must have 100 biological children across her lifetime and future generations
  • Each pregnancy must have a different father
  • The Matriarch cannot hold a traditional career — income must come from skill-based activities (painting, writing, gardening, etc.)
  • When the Matriarch ages into an Elder, she retires and her youngest daughter takes over as the new Matriarch
  • Children must be aged up as soon as the option becomes available
  • All children must be raised to Young Adult and moved out before taking up too many household slots

Additional Restrictions

  • No cheats for money, skills, or needs (unless your personal rules allow them)
  • The Matriarch cannot marry or be in a committed relationship
  • Children cannot be taken by Social Services — losing a child is a challenge failure condition for many players

Setting Up for Success

Choose the Right World

Pick a world with access to a large pool of potential fathers. Willow Creek and San Myshuno (City Living) are popular choices because they offer plenty of community lots where your Matriarch can meet new Sims.

Pick Smart Traits and Aspirations

For your starting Matriarch, these work well:

  • Traits: Family-Oriented, Outgoing, Fertile (reward trait from the Friend of the World aspiration)
  • Aspiration: Start with Friend of the World to earn the Fertile trait early, then switch to Big Happy Family

Earning Money Without a Career

Without a standard career, you'll need income from other sources:

  • Painting — one of the best passive income skills; build it up early
  • Gardening — plant a garden and sell produce; high-quality plants sell for significant Simoleons
  • Writing — write books and license them for royalties
  • Woodworking / Knitting (if you have the right packs) — craft and sell items

Managing a Full Household

The standard household cap is 8 Sims, so you'll constantly be balancing babies, toddlers, children, and teens. Tips for keeping chaos under control:

  • Age up children as soon as possible to free up household slots
  • Use a high-level fridge and the "Serve Meal" option so all Sims can eat autonomously
  • Keep energy needs topped up before bedtime to avoid midnight meltdowns
  • If you have Parenthood pack: focus on building children's character values for better behavior
  • Move out teens and young adults the moment you need room for a new baby

Common Mistakes to Avoid

  1. Neglecting the Matriarch's income skills early: Set up your painting or gardening routine before the babies start coming.
  2. Not tracking fathers: Keep a note (in-game or external) of which Sims have already fathered children so you don't accidentally repeat one.
  3. Letting needs drop too low: Toddlers and infants with red needs can trigger Social Services visits.
  4. Forgetting to move elders out: Old family members taking up household slots slow the challenge significantly.

How Long Does It Take?

Most players complete the 100 Baby Challenge across several real-life play sessions. With aging set to Normal speed, it typically spans 3–5 generations of Matriarchs. Playing on a shortened lifespan can speed things up but makes household management even more hectic.

The 100 Baby Challenge is one of the most rewarding ways to experience The Sims 4's family gameplay. It's chaotic, funny, and surprisingly emotional — and no two runs ever play out the same way.