☀️ Summer 2026
No worksheets. Just genuinely fun stuff to do with Computer Science over summer — that also happens to make September easier.
20 Python challenges from FizzBuzz to Merge Sort — Beginner, Intermediate and Advanced. Tick them off as you go. Hints included, progress saved automatically.
8 questions. Find out if you're a Cybersecurity Defender, AI Scientist, Game Developer, or Full-Stack Builder. Shareable result card.
Bubble, Insertion, Merge and Quick Sort race head-to-head on the same array. Watch O(n²) lose badly to O(n log n) in real time.
Every developer needs a solid excuse. Spin the wheel for your professionally-crafted justification. CS Student category included.
Tick off the coding disasters you've personally survived. "It worked yesterday", infinite loops, off-by-one errors — BINGO!
5 new CS questions every day. Build a streak. Full explanations with every answer.
Type your name and see it as ASCII binary code — coloured bit by bit. Copy and share.
Watch a sorting animation and pick which algorithm it is. 5 rounds — can you tell them apart?