Code your own games

There is no coding project more motivating for young learners than building their own original game. The process of coding your own game is a complete CS education in miniature — it requires planning, problem decomposition, iterative development, debugging, and creative decision-making, all wrapped in an activity that students genuinely want to do. codeguppy.com gives students the platform and the tools to go from idea to playable game in JavaScript, with tutorials and examples to guide every step of the journey.

For CS teachers, assigning a "code your own game" project is one of the most effective ways to assess student mastery of core programming concepts. A working game demonstrates understanding of variables, control flow, functions, and event handling in a way that no written test can. The platform's built-in code editor, instant preview, and extensive tutorial library give students the scaffolding they need to succeed, while leaving room for individual creativity and expression.

The platform provides tutorials for a wide variety of game genres — classic arcade games, puzzle games, platform games, and creative interactive art — so students can choose a project that aligns with their own interests. This element of student choice is a powerful motivator: when students are building something they personally care about, they invest more effort, tolerate more frustration, and develop greater persistence. These are habits of mind that serve students well beyond the CS classroom.

School librarians and after-school coding club leaders will find that "code your own game" sessions on codeguppy.com sustain engagement across multiple weeks and create natural opportunities for student showcases and coding fairs. The platform is completely free and works on any school device with a browser.

Code your own games

A free coding platform for schools

codeguppy.com is a free coding platform for high-school and middle-school students. Teachers around the world are using codeguppy.com to teach JavaScript.

To make coding easy, fun, and engaging for students of all ages, codeguppy.com comes with an online code editor and a graphical oriented runtime based on the p5.js library. The platform enables students to learn JavaScript while building fun games and animations.

Coding projects and activities for students

codeguppy.com comes with tons of coding projects and activities that students can use as a starting point for their projects.

Contact us!

If you want to learn more about the free coding platform, please feel free to contact us at any time. We can discuss how to get started with coding, how to implement codeguppy.com in your coding club ... or even discuss coding questions or share programs.

Browse projects Watch coding lessons Explore downloads