Make Your Own Online Game

Use AI to help you design and build a simple web game, even if you've never written code. From concept to playable prototype.

Yes, You Can Do This

Making a game used to require years of programming experience. Now, AI can write code for you, explain what it's doing, and help you fix problems. You provide the creativity; AI handles the technical details.

You won't build the next Minecraft, but you can absolutely create a playable game that runs in a web browser, and share it with friends.

What You'll Need

Types of Games You Can Make

Start simple. These are achievable for beginners:

Quiz or Trivia Game

Players answer questions, earn points, see their score. Good first project.

Number Guessing Game

Computer picks a number, player guesses, gets hints (higher/lower).

Simple Card Game

War, Memory/Concentration, or basic Blackjack.

Text Adventure

Similar to the AI Dungeon Master project, but with predetermined paths.

Clicker/Incremental Game

Click to earn points, spend points on upgrades. Surprisingly addictive.

Simple Arcade Game

Snake, Pong, or a basic space shooter.

Step 1: Choose Your First Game

For your first project, start with either:

We'll use a quiz game as our example.

Step 2: Design the Game

Before asking AI to write code, think through:

Write this down. The clearer your vision, the better AI can help.

Step 3: Set Up Your Environment

You'll need somewhere to write and run code. Free options:

CodePen (codepen.io)

Replit (replit.com)

VS Code (code.visualstudio.com)

For your first game, use CodePen. Just go to codepen.io, create a free account, and click "New Pen."

Step 4: Ask AI to Write the Code

Go to your AI assistant and try this prompt:

"I want to create a simple quiz game that runs in a web browser. It should:

Please write the HTML, CSS, and JavaScript code for this. Make it look clean and modern. Add comments explaining what each section does so I can learn."

The AI will generate three blocks of code:

Step 5: Put It Together

In CodePen:

  1. Copy the HTML code into the HTML panel
  2. Copy the CSS code into the CSS panel
  3. Copy the JavaScript code into the JS panel

You should see your game appear in the preview panel.

Step 6: Test and Fix

Your game probably won't work perfectly the first time. That's normal.

If something's broken, copy the error message (look in the browser console) and ask AI:

"I'm getting this error in my quiz game: [paste error]. Here's my code: [paste code]. What's wrong and how do I fix it?"

AI is excellent at debugging. It can spot mistakes you'd never find on your own.

Step 7: Customize and Expand

Once the basic game works:

Change the questions:

"Replace the quiz questions with 10 questions about [new topic]"

Improve the design:

"Make the quiz look more colorful and add animations when the user selects an answer"

Add features:

"Add a timer so players have 15 seconds per question" "Add a high score system that saves to local storage" "Add different difficulty levels"

Example: Building a Memory Card Game

Here's how a conversation might go:

You: I want to make a memory card matching game. Start with 8 pairs of cards (16 total). Cards should flip when clicked, and matched pairs stay face up. Include a move counter.

AI: [Provides HTML, CSS, and JavaScript code]

You: It works, but the cards flip too fast. Can you slow down the animation?

AI: [Provides updated code]

You: Can you add emoji icons to the cards instead of numbers?

AI: [Updates code with emojis]

You: Add a win screen that shows when all pairs are matched, displaying the total moves.

AI: [Adds win condition and screen]

This back-and-forth is how game development works, even for professionals.

Sharing Your Game

Once your game works:

CodePen: Click "Save" and share the URL Replit: Click "Share" and get a link anyone can play Your own website: Download the files and upload them

Send the link to friends. You made a game.

Going Further

As you get comfortable:

Learn some basics: Understanding a little code helps you communicate with AI better Try game frameworks: Phaser.js, Kaboom.js, or p5.js make certain games easier Add multiplayer: AI can help you add simple two-player modes Make mobile games: Your web games can work on phones too

Common Problems and Solutions

"The code doesn't work at all"

"It works but looks ugly"

"I want to change something but don't know how"

"I'm getting errors I don't understand"

What You'll Learn

Even if you never become a programmer, this project teaches you:

Next Steps

Want to create something for the real world? Try Build a Murder Mystery Party for an in-person interactive experience.

Or explore Run LLMs Locally to understand the AI tools themselves.

Or browse all Projects.