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The Math Universe Is Waiting for You to Unlock

Join Sam the robot on a journey across five math planets, beat the bosses, and solve 1500 Olympiad Math mysteries. From young kids to adults, everyone finds their own perfect challenge.

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Sam
Why Choose Sam

More Than Practice — It's an Adventure

We turn boring Olympiad Math drills into a universe-class gaming experience.

Story-Driven Quests

Five chapters, five planets, boss battles and victory rituals — every practice feels like binge-watching your favorite show.

Smart Difficulty

The AI tunes the difficulty curve just for you — never too easy, never so hard you give up.

Three-Star Rating

Speed, accuracy, and combos combine into your score. Challenge yourself to earn three stars on every level.

Boss Battles

The last 5 levels of each chapter are timed, limited boss challenges. Beat them to unlock exclusive badges.

Parent Mode

A separate PIN lets parents check learning reports and set daily time limits — completely free.

100% Free

No in-app purchases, no ads, no paywalls. Free forever, so every child can play.

Five Math Planets

From Bronze to Diamond

Every correct answer brings Sam one step closer to saving the math universe.

☄️

Number Star

Fast Calculation Galaxy

300 Levels
Bronze Tier
🌗

Shape Star

Geometry Nebula

300 Levels
Silver Tier
⭐

Riddle Star

Number Theory Maze

300 Levels
Gold Tier
🪐

Order Star

Combinatorics Dimension

300 Levels
Platinum Tier
💎

Dao Star

Ultimate Challenge

300 Levels
Diamond Tier
How to Play

Start Your Adventure in Three Steps

  1. 1

    Create Your Account

    Just a phone number and an email — sign up in 30 seconds, completely free.

  2. 2

    Set Off With Sam

    Start from Bronze. Sam will guide you, drop hints, and cheer you on before every level.

  3. 3

    Clear Levels and Rank Up

    Earn points and stars, unlock new Sam forms, and finally become a Diamond Master.

Ready to Save the Math Universe?

Sign up free and jump straight into Sam's world.

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