What is quad nerdle?
Quad nerdle presents four nerdle grids on screen at the same time. Each grid has its own hidden 8-character equation, but you solve all four with a single shared set of nine guesses. Every guess you submit appears in all four grids simultaneously, with independent colour feedback on each:
- Green – correct character in the correct position.
- Purple – correct character, wrong position.
- Grey – character not in that grid’s solution.
Once you solve a grid it locks, so later guesses only apply to the remaining unsolved grids. A new puzzle every day at midnight GMT.
Strategy
The key to quad nerdle is choosing guesses that give you useful information across all four boards at once. Early guesses should cover a wide spread of digits and operators. As grids lock in, you can focus your remaining guesses on the harder boards. Nine guesses sounds generous, but with four puzzles to solve you’ll need to be efficient.
Quad nerdle vs Quordle
If you’ve played Quordle – the four-board version of Wordle – quad nerdle is the direct math equivalent. Same dual-screen layout, same shared-guess mechanic, same satisfying click when a grid locks in. The difference: instead of finding four hidden five-letter words, you’re finding four hidden 8-character equations, with nine guesses for all four.
Word-puzzle fans tend to find the transition surprisingly intuitive – the strategy of “cover the most likely characters first” is the same; only the alphabet changes (digits and operators instead of letters).
The multi-grid family
If quad nerdle is too intense, try bi nerdle – the math Dordle, two grids, seven guesses – or mini bi nerdle (two 6-character grids). If you want a bigger challenge, octo nerdle – the math Octordle – gives you eight boards in 10 guesses. Or for single-grid: classic nerdle or maxi nerdle. See our multi-grid math games page for the full overview.
Discover other math games → – our guide to the best math games online, including games we don’t make.