Play games and puzzles.
This page is your dedicated games and puzzles hub. Keep the homepage clean, and let this page hold the full directory for Sudoku variants, Trigoku, and Sapiver Duel.
Sapiver Duel
Daily timelineGroup the clues, then order the timeline across sport, music, film, books, and TV.
Trigoku
Daily logicA compact, brainy daily puzzle for quick sessions and return visits.
Sudoku Book Library
Published booksBrowse the book catalogue if someone likes the online play and wants more.
Kropki Sudoku
CoreDot clues for ratios and consecutive relationships.
Hyper Sudoku
CoreExtra 3×3 regions add another layer of logic.
Anti-King Sudoku
CoreDigits may not touch diagonally.
Anti-Knight Sudoku
CoreEqual digits cannot be a knight’s move apart.
Non-Consecutive Sudoku
CoreOrthogonally adjacent digits cannot be consecutive.
Odds & Evens Sudoku
CoreMarked odd and even cells create fast starts and strong patterns.
Sudoku X
CoreBoth diagonals also contain 1–9 exactly once.
Arrow Sudoku
AdvancedCircle equals the sum along the arrow shaft.
German Whispers Sudoku
AdvancedNeighbouring digits on a whisper line differ by at least five.
Killer Sudoku
AdvancedCage sums make every deduction more layered.
Little Killer Sudoku
AdvancedOutside diagonal clues add long-range sum logic.
Renban Sudoku
AdvancedDigits on each line form a consecutive set in any order.
Sandwich Sudoku
AdvancedOutside clues show the sum between 1 and 9.
Thermo Sudoku
AdvancedDigits increase from bulb to tip along each thermometer.
XV Sudoku
AdvancedX and V clues mark pairs summing to 10 or 5.