Introvert

Have a Sim do nothing social for 24 Sim hours.

Secret Achievement

Cast Away

Have a Sim reach max level in the Fishing skill.

Channel Surfer

Have a Sim listen to all radio stations and watch all TV channels.

Code Monk

Have a Sim reach max level in the Programming skill.

Connoisseurus Rex

Have a Sim reach max level in the Gourmet Cooking skill.

Elementary

Have a Sim reach max level in the Logic skill.

Fired Up

Have a Sim reach max level in the Fitness skill.

Flying Colours

Have a Sim reach max level in the Painter career.

Full House

Play with an eight-Sim household in The Sims 4.

Games within Games

Have a Sim reach max level in the Video Gaming skill.

Secret Achievement

All Nighter

Have a Sim stay awake for 24 straight Sim hours.

Secret Achievement

Green Thumb

Have a Sim reach max level in the Gardening skill.

Hello, Darkness, My Old Chum

Have a Sim befriend the Grim Reaper.

I, Spy

Have a Sim reach max level in the Secret Agent career.

It's Not Brain Surgery

Have a Sim reach max level in the Rocket Science Skill.

Ivory Tower

Have a Sim reach max level in the Piano skill.

Legacy Player

Play a household for ten generations or more.

Literal Genius

Have a Sim reach max level in the Writing skill.

Alphabet Legacy

Play a household for 26 generations or more.

Mael-strum

Have a Sim reach max level in the Guitar skill.

Mischief Mastered

Have a Sim reach max level in the Mischief skill.

My, You've Changed!

Have a Sim become both max thin and fat within a lifetime.

Older & Wiser

Have a Sim age up.

Over-Achiever

Have a Sim complete 5 Aspirations.

Refined Palette

Have a Sim reach max level in the Painting skill.

Rosebud

Gain 1,000,000 Simoleons in a single Household.

Smooth Talker

Have a Sim reach max level in the Charisma skill.

Are You Entertained?

Have a Sim reach max level in the Entertainer career.

Splice of Life

Unlock a new plant type through grafting.

Startup Upstart

Have a Sim reach max level in the Tech Guru career.

Stellar Work

Have a Sim reach max level in the Astronaut career.

Straight for the Jocular

Have a Sim reach max level in the Comedy skill.

Suave Criminal

Have a Sim reach max level in the Criminal career.

Tender Loving

Have a Sim reach max level in the Mixology Skill.

The Circle of Life

Play a Sim from birth to natural death.

The Most Interesting Sim in the World

Have a Sim with 12 or more Traits.

The Pen is Mightier

Have a Sim reach max level in the Writer career.

Triple Play

Have a Sim give birth to triplets.

Basketcase

Have a Sim get in and out of all primary emotional states within 24 Sim hours.

Tungsten Chef

Have a Sim reach max level in the Cooking skill.

Up a Notch

Have a Sim reach max level in the Culinary Career.

Secret Achievement

World Competitor

Have a Sim reach max level in the Athlete career

Beyond Repairs

Have a Sim reach max level in the Handiness skill.

Secret Achievement

Bow-dacious

Have a Sim reach max level in the Violin skill.

Captain of Industry

Have a Sim reach the max level in the Business career.