How to run: Open the HTML file in your browser - double-click it or drag it into Chrome. In this build-along you write the code, then watch it come alive in the canvas on the right.
Lumo says: every step adds one feature to the same platformer. Type a little, click Apply to Canvas, and test it straight away. There is no wrong answer you can't undo.
Build a Platformer Step by Step
Each step adds a feature. Write the code, watch it come alive in the canvas.
Step 1 / 6
Use arrow keys to move and Up or Space to jump
Prefer the written guide? The starter template is still here if you want it: Download the starter files.