The second GRiddles series is now live, with a new set of increasingly challenging puzzles and the chance to win £1,000. If you missed Series A, you can still explore the original puzzles and submit your answers.
Welcome to GRiddles
At G-Research, puzzles have a habit of appearing everywhere. GRiddles is a competition inspired by that culture. If you enjoy getting stuck, thinking sideways and coming back for another go, you’ll probably feel at home here.
How it works
From now until the end of the year, we’re your home for puzzles.
- Three puzzle collections each of which feature four problems of increasing difficulty. Challenge yourself to be one of the few who can get all 12
- 28-day solving window after which winners will be announced and solutions shared
- £1,000 prize per puzzle chosen at random amongst correct submissions
- £2,000 grand prize for the fastest correct submission to each of the three hardest puzzles
