Developer
Bit Flip
Flip bits to build each number in binary. How many can you make in 60 seconds?
- Keyboard
- Touch
Free developer games
Developer games turn the everyday skills of programming into quick challenges: read and flip bits, name a colour from its hex code, or type real code against the clock. They are fun warm-ups before work, good practice for learners, and a fair contest between teammates. Every round is short, and your best scores are saved in your browser.
Developer
Hex Hue
Can you read a hex colour code? Match 10 colours to their codes, and codes to their colours.
- Keyboard
- Touch
Developer
Code Typer
A typing test for programmers: type real JavaScript, Python, Rust and SQL code against the clock.
- Keyboard
- Touch
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