Vdopa Rush is open
Vdopa Rush, real-time competitive puzzle solving, is now playable. Create a room with friends or use Quick Rush, plus what is coming next.
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Puzzle-solving tips, behind-the-scenes stories and news from Vdopa: The 333 Rooms.
Your data, your control: download, edit and delete your account
A plain-language summary of what Vdopa stores, why, and how you can use your PDPA rights yourself in a few taps.
Read more ›Vdopa Rush preview: when puzzles become a race
The ideas behind Vdopa Rush, real-time competitive puzzle solving: fairness, scoring, and safety when cameras are on.
Read more ›Designed for everyone: colour, shape and motion
How Vdopa makes its puzzles comfortable for players with colour-vision differences, motion sensitivity and small screens, with a few simple principles.
Read more ›A tour of the nine floors of the Vdopa Manor
Meet all nine floors of the Vdopa Manor, from the entrance hall to the founder's secret rooms: their moods, colours and the challenges waiting there.
Read more ›The maths of sliding puzzles: why some boards cannot be solved
From the 19th-century 15 Puzzle craze to the parity rule that decides whether a sliding board is solvable, and how Vdopa guarantees every board can be solved.
Read more ›The "aha!" moment: why solving a puzzle feels so good
On the "aha!" moment when an answer appears all at once, and how we design Vdopa's puzzles so you get that feeling often.
Read more ›How to earn three stars on every puzzle
A deep dive into Vdopa's star system, how target times work, and a stress-free replay strategy to collect all three stars.
Read more ›Behind the scenes: how we build 3,330 puzzles
Inside Vdopa's puzzle generator, from the difficulty curve and no-repeat rules to the solver that checks every puzzle before it reaches players.
Read more ›7 tips for new Vdopa players
Starter tips for new players, from reading letter strokes and getting the most from the magnifier to earning three stars.
Read more ›Welcome to the Vdopa Manor
Introducing Vdopa: The 333 Rooms, a browser puzzle game with 3,330 levels. Where it came from, what waits inside the mansion, and what comes next.
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