- Simon's Tree
- Simoo
- Simoo Seasons
- Simple 3D Shapes Objects Games
- Simple Dice: Roll 1-6 Dice!
- Simple Dimple - 3D Fidget Toy
- Simple Games
- Simple Math - 3rd Grade
- Simple Math 1+1=?
- Simple math problems test for 1st grade homeschool
- Simple Paint
- Simple Puzzle Learning Riddle
- Simple Sentence Maker - Read and Build Your First Sentences
- Simple Shapes Coloring Pages For Toddlers
- Simple Sight Words
- Simple Simoo
- Simple Spot the difference DX
- Simple Sudoku :) Free
- Simple Sums 2 - Free Multiplayer Maths Game
- Simple Math - Free Math Game For Kids
- Simplex Spelling Light
- Simplex Spelling Phonics 1
- Simplex Spelling Phonics 2
- Simplex Spelling Phonics 3
- Simplex Spelling Phonics CVC
- Simply BINGO!
- Simply Sweet Desserts
- Simulator Virtual Cat Joke
- Simulator Virtual Girlfriend
- Sincrolab Kids
- Singa: Sing Karaoke & Lyrics
- Singing Daisies - a dress up & make up games for kids
- Singing Horses
- Single Lines
- Singularity - Modern Lights Out
- SiNKR 2
- SiNKR: A minimalist puzzle
- Sinterklaas Dobbelspel
- Sinterklaas Feest
- SIPAT&MA Digital
- Sir Dapp! Game Show
- Sir Tincan - Adventures in the Castle
- Sir Tincan - Adventures in the Castle - LITE
- Sir Wellington World Detective
- SirMania - Spill & Lær (Norsk)
- SirMania sámegillii
- Sister & Brother Story
- Sisters Nail Salon & Make Up
- Sitar Pro
- Sitar Pro (Free)
- Sixteen The Puzzle
- Sixth Grade Learning Games
- Sixth Grade Learning Games SE
- Sixth Grade Spelling Words
- Sizzle & Stew
- Sjoelen
- Sjung och lär med Babyklubb
- Sjøvettspillet
- Skadoodle!
- Skaiciukai
- Skaitampanti
- Skat Palace
- Skate Running Games
- Skateaway!
- Skeletal System Quizzes
- Sketch & Guess!
- Sketch Guru - My Handy Sketch Pad for iPhone
- Sketch Scribble Art - Scrawl Art | Simple Drawing App & Learn How to Draw something on Pad for kids
- Sketch W Friends ~ Free Multiplayer Online Draw and Guess Friends & Family Word Game for iPhone
- SketchParty TV
- SketchWorkshop
- SketchyDoodle
- Ski Safari
- Ski Safari - 10th Anniversary
- Ski Safari 2
- SKIDOS Fantasy World Learning
- Skill Book For Fun
- Skills
- Skills - Logical Brain Game
- Skin Care Makeup Factory Game
- Skin Creator: Pro Edition
- SkinCrafter for Minecraft
- Skip Counting
- Skip Counting - a math quiz game for kids to learn simple addition and subtraction