Who is playing?
Pick the level that fits the player — a young child, a grandparent, or a puzzle expert. It is saved on this phone, and you can change it any time.
Daily Challenge
Five puzzles, the same for every player today — a number sequence, a riddle, a word scramble, an odd-one-out and a grand finale. Score out of 1,000 and share your result.
Today’s Puzzles
8 games • new dailyEight quick favourites — a path, a word weave, a mini sudoku, a crown puzzle and more — all in this one game, refreshed every day. Finish them all to fill today’s ring.
Today’s Missions
0/5Across every game — finish them all for a +50 XP bonus. A fresh list arrives tomorrow.
Daily Discovery
New every dayHow to play
- Pick the Daily Challenge, a 1 vs 1 Duel, Block Puzzle, a Level, or the Speed Rush.
- Answer by tapping, or place blocks to fill rows and columns — streaks and line clears earn bonus points.
- Finish, then share your score and challenge your friends to beat it.
Your Records
Only you can see this — it lives on your phone.
Play With Friends
Brain games are better with a rival. Copy an invite, send it to a friend, and compare scores tomorrow.
Put Brain Boost on your home screen
Android (Chrome): tap the ⋮ menu at the top, then tap “Add to Home screen”.
iPhone (Safari): tap the Share button, then tap “Add to Home Screen”.
It opens like an app, straight from your home screen — no download, no sign-up.
From the Brain Boost book
These puzzles come from Brain Boost: 100+ Puzzles, Riddles & Brain Teasers — the HA Brain Boost variety puzzle book, Volume 1. Finish the game, then keep training on paper.