The game starts by pressing any key. A random color is highlighted — the player must click it. Each round, the game adds another color to the sequence. The player must remember and repeat the entire ...

In one of the JavaScript mini projects, the HTML file is either missing or not properly connected to the JavaScript code. As a result, the project fails to run as expected. This appears to be a bug ...

If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. The app works with bite-sized puzzles and quizzes, so you can ...