I wanted to build a simple game for my phone last weekend. I didn’t want to spend three months learning Unity or Unreal Engine. I just wanted a quick, fun project I could play on my iPhone. I decided to see how to make a mobile game with claude using simple web technologies. It took me about four hours from my first prompt to a working app on my phone.
You don’t need to be an expert programmer to do this. Claude can write almost all of the code for you. You just need to know how to ask the right questions and how to put the pieces together. Here is exactly how I did it, and how you can do it too.
Why Use Claude for Mobile Game Development?
Claude is excellent at writing clean code. It is especially good at HTML5 and JavaScript. If you want to make a fast, 2D mobile game, web tech is the easiest path. You can write the game using standard web code, test it in your browser, and then wrap it into a mobile app.
Using Claude speeds up the coding process. Instead of spending hours looking up syntax on Google, you can just ask Claude to write the function you need. If something breaks, you paste the error message back to the AI, and it fixes the code. It acts like a patient programming partner that never gets tired.
Before you start, you might want to read about choosing the right mobile game engine if you plan to make a heavy 3D game. But for simple, addictive 2D games, Claude and basic web code are perfect.
How to Make a Mobile Game with Claude: The Step by Step Process
The best way to get good results from Claude is to build your game in small steps. Don’t ask it to write the whole game at once. If you ask for a complete game with multiple levels, menus, and high scores in one prompt, you will get broken code.
Start with a simple concept. For my project, I chose a classic block-dodging game. You control a small square at the bottom of the screen and try to avoid falling circles.
First, write a prompt to set up the basic game window. Here is a prompt you can copy and use:
“Create a simple HTML5 game template. I need a single index.html file that uses a canvas element. The canvas should fit the mobile screen and support touch controls. Add a player square at the bottom that moves left and right when the user taps or drags on the screen.”
Claude will give you the HTML and JavaScript code. Copy this code and save it as index.html on your computer. Double-click the file to open it in your browser. You should see a blank screen with your player square. Test the touch controls by clicking and dragging with your mouse.
Adding Game Logic and Obstacles
Once your player moves, it is time to add the challenge. Go back to Claude and ask for the next piece of code. You can use a prompt like this:
“Now add falling obstacles. Spawn red circles at the top of the screen at random horizontal positions. They should fall down. If an obstacle hits the player, the game should end. Display a game over screen and a restart button.”
Claude will rewrite the code to include these features. Copy the new code into your index.html file. Refresh your browser to test it. If the circles fall too fast, tell Claude to slow them down. If the collisions feel off, ask Claude to fix the hit boxes.
Designing for Touch Screens
Mobile games need to feel good on touch screens. Standard computer keys like the spacebar don’t exist on a phone. You must tell Claude to use touch events.
Make sure Claude uses touchstart and touchmove events instead of just mouse clicks. This makes the game feel responsive on iOS and Android devices. You can host your code on GitHub to easily share it or test it on your phone’s browser before building the actual app.
Converting Your Web Game into a Mobile App
Once your game runs perfectly in your computer browser, you need to turn it into an app. You don’t need to rewrite everything in Swift or Java. You can use a wrapper.
I recommend using Capacitor or Apache Cordova. These tools take your HTML, CSS, and JavaScript files and package them into a native mobile app. You can read more about HTML5 game development on Wikipedia to understand how this packaging works under the hood.
To do this, you will need to install Node.js on your computer. Then, run a few simple commands in your terminal to initialize a mobile project. You can ask Claude to guide you through this part too. Just type:
“I have my working index.html game. Walk me through the exact terminal commands to package this into an Android or iOS app using Capacitor.”
Claude will give you step-by-step instructions. You will need Xcode if you are on a Mac and want to make an iOS app, or Android Studio if you want to make an Android app. Both tools are free to download. Once you compile the project, you can load the game directly onto your personal phone.
Tips for Getting the Best Code from Claude
Working with AI can sometimes feel like a puzzle. If you get stuck, remember these quick tips:
- Keep your files organized. If your game gets large, ask Claude to separate the CSS and JavaScript into different files instead of keeping everything in index.html.
- Explain bugs clearly. Don’t just say “it doesn’t work.” Tell Claude what happened, what you expected to happen, and paste any error messages from the browser console.
- Keep mobile performance in mind. Mobile processors can struggle with heavy physics engines in a web view. Ask Claude to write simple math-based movement instead of importing heavy external physics libraries.
If you plan to put your game online for others to download, you should also look into how to publish your app on the app store so you understand the submission guidelines and fees.
Your Next Steps
Now that you know how to make a mobile game with claude, the best way to learn is by doing. Open up Claude right now and ask it to write a basic game template. Start with something simple like Tic-Tac-Toe or a simple snake game. Once you get that running on your computer, you will see how easy it is to build on top of it.
