Missions
Start
First time with AI · ≈ ages 10–12 · with a parent
- Beginner A phone game in one HTML file≈ 25 min
Space Cat: make a phone game from one prompt
One prompt in Gemini and you have your own phone game. Then find where the AI went wrong, fix it, and make the game yours.
- Beginner A page with fact cards in one HTML file≈ 30 min
Fan page: a site about your favorite animal
One page with a drawing and flip cards. Gemini writes the code, you check the facts, because the AI makes mistakes in them.
- Beginner An “I caught the AI” proof card in a single HTML file≈ 20 min
Catch the AI making a mistake: letter counting
Four simple questions where the AI trips up almost every time. Count yourself, catch the mistake and make a proof card in Gemini.
- Beginner A platformer game in a single HTML file≈ 30 min
Platformer game like Mario: build it with AI
A robot runs, jumps over pits, collects coins and reaches the flag. Make your own platformer with one prompt in Gemini — with buttons for your phone.
- Beginner A profile website in a single HTML file≈ 25 min
Profile website: build a page about you
A real website about you: a shimmering header, favorite things with icons, and buttons that recolor the whole site. One prompt in Gemini — and no real name.
- Intermediate A “pet” mini-app in one HTML file≈ 30 min
Virtual pet: build a Tamagotchi-style app
Your own Tamagotchi on your phone: a little dragon you feed, play with and put to bed. Build it from one prompt in Gemini.
- Intermediate A music studio in a single HTML file≈ 40 min
Drum machine and music studio with Gemini
Build a drum machine, then a studio: 12 drums with sparks, guitar strings and a melody written as code. The AI makes every sound itself, no sound files.
- Intermediate A 3-level game in a single HTML file≈ 35 min
Space Cat levels: a game with 3 levels and a win
Make the big version of Space Cat: three levels, heart lives, sounds and a victory screen with a trophy. A game you can actually beat.
- Advanced An adventure quest in a single HTML file≈ 40 min
Choose-your-own-path quest game in Gemini
Build an adventure with 15+ screens, a backpack, energy, a riddle and 4 endings. An astronaut kitten looks for his rocket on the Moon. One Gemini prompt.
Builder
Already using AI · 13+ · on your own
- Advanced An ecosystem simulation in a single HTML file≈ 40 min
Ecosystem: a foxes and rabbits simulation
Grass, rabbits and foxes on one field, with a live population chart. Can your ecosystem last a whole minute? A biology simulation for curious minds.
- Pro A 2D physics engine in a single HTML file≈ 45 min
Your own physics engine: a 2D sandbox
A sandbox where circles and boxes fall, collide and pile up, and you throw them with your finger. Your own 2D engine is a pro-level challenge.
- Pro A trainable neural network with visualization in a single HTML file≈ 45 min
Build your own neural network in the browser
Place dots of two colors and a tiny neural network learns to separate them before your eyes. Watch every neuron, every epoch and the error drop.
Science
For class and for fun · ≈ ages 11–16 · great with a teacher
- Beginner A states-of-matter model in a single HTML file≈ 25 min
States of matter: solid, liquid, gas
120 particles in a box and a temperature slider: watch matter melt and boil at the molecular level. A model for chemistry and physics class — from one prompt.
- Beginner A chemistry simulator in one HTML file≈ 25 min
pH Detective: a chemistry lab in your browser
Lemon juice, cola, milk, soap, bleach: pour it into the glass and watch the indicator change color. Chemistry for class, from a single prompt in Gemini.
- Intermediate A pendulum model in a single HTML file≈ 30 min
Pendulum: a physics lab in your browser
Build a pendulum model with sliders for length, angle and mass, a choice of Earth, Moon or Jupiter, and a swing graph. One prompt in Gemini.
- Intermediate A physics game-lab in one HTML file≈ 30 min
Cannon: a projectile physics game
Angle, speed, air resistance and planets: hit the target and learn how projectiles fly. A physics game for class, one prompt in Gemini.
- Intermediate A wave interference model in one HTML file≈ 25 min
Wave pool: interference you can see
Two sources, circular waves and bands where waves boost and cancel each other. Interference you can touch with your finger, from one prompt.
- Intermediate A virtual electricity lab in one HTML file≈ 30 min
Electric circuit and Ohm’s law simulator
A battery, three resistors, a bulb, an ammeter and a voltmeter: series or parallel? Work out the current and watch the bulb glow. One prompt.
3D
3D worlds · 12+ · advanced