Fluxgrid
Play★ Most playedEvery node holds a charge. Pulse them down to zero — but cross nodes fire on the diagonal, and charge rolls over at the top.
Quick puzzles that load instantly and run entirely in your browser. Play one on a coffee break, or lose an afternoon to the expert grids.
Every node holds a charge. Pulse them down to zero — but cross nodes fire on the diagonal, and charge rolls over at the top.
Picture logic from number clues. Every puzzle is generated so pure deduction solves it — no guessing, ever.
Sudoku's skeleton with a rotating extra rule — thermometers, inequalities, anti-knight or boxes. One solution, guaranteed.
Sliding-block escape. Get the marked block out — and every puzzle ships with its true shortest solution as par.
Rotate hexagonal tiles until the whole network lights up. No loose ends, no dead ends — the board is a spanning tree.
Letters fall; trace words through touching tiles before the stack reaches the top. The one arcade game in the suite.
Static files only. Nothing to install, nothing to sign up for.
Follows your preference and remembers it between visits.
Arrow keys, shortcuts, and proper labels for screen readers.
Every game has a puzzle of the day, shared by everyone, with a streak.