Canfield solitaire: the changing foundation base and thirteen-card reserve
Learn Canfield Solitaire with a variable foundation starting rank, 13-card reserve, four tableau columns, Draw Three stock and wraparound rules.
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Guides and puzzlesGolf solitaire: rules, scoring chains and seven-column strategyOct 18, 2026
Guides and puzzlesRussian Solitaire: same-suit rules and strategyOct 18, 2026
Guides and puzzlesScorpion solitaire: rules, movable groups and four complete suit runsOct 18, 2026
Guides and puzzlesTriPeaks solitaire: rules, scoring streaks and the strategy of three peaksOct 18, 2026PUBLICATION ARCHIVE
40 PostsRecent Explorations in Pure Logic
Canfield solitaire: the changing foundation base and thirteen-card reserve
Learn Canfield Solitaire with a variable foundation starting rank, 13-card reserve, four tableau columns, Draw Three stock and wraparound rules.
Read articleGolf solitaire: rules, scoring chains and seven-column strategy
Learn Golf solitaire: 35 visible cards, 16 stock cards, adjacent-rank plays, streak scoring and why Ace and King do not connect.
Read articleRussian Solitaire: same-suit rules and strategy
Learn Russian Solitaire: open group movements, exact-suit tableau building, Kings, foundations and strategies for uncovering blocked cards.
Read articleScorpion solitaire: rules, movable groups and four complete suit runs
Learn Scorpion solitaire with seven columns, same-suit movement, unordered groups, three conditional stock cards and King-to-Ace runs.
Read articleTriPeaks solitaire: rules, scoring streaks and the strategy of three peaks
Learn TriPeaks rules, Ace–King wraparound, the 23-card stock and smarter ways to extend chains while clearing the peaks.
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Yukon solitaire: rules, unordered groups and seven-column strategy
Learn Yukon solitaire: move unordered groups, reveal hidden cards, build four suit foundations and use Kings in empty columns.
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Pyramid solitaire: rules, pairs that make thirteen and how to clear the cards
A detailed Pyramid solitaire guide: pairs of thirteen, free Kings, two stock passes and practical strategies for clearing overlapping cards.
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FreeCell solitaire: rules, supermoves and smarter use of free cells
Learn FreeCell rules, calculate legal supermoves, keep cascades open and solve the fully visible 52-card tableau with a clear plan.
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Klondike solitaire: rules, strategy and the art of uncovering cards
Learn Klondike rules, Draw One versus Draw Three, and smarter ways to reveal hidden cards while keeping your tableau flexible.
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QuizMap: find ten places, minimise the kilometres
Learn QuizMap: find cities, landmarks, birthplaces and historical events on a world map, and earn your best result by minimising kilometres.
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Spider solitaire: rules, strategies and the challenge of four suits
Master Spider solitaire: one-, two- and four-suit modes, same-suit runs, vacant columns and the best time to deal new cards.
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Blupoli launches Achievements & Trophies: your progress, now visible and real
Blupoli Puzzles turns your games into a collection of global achievements, category mastery and 12 challenges per game, with real unlocks and no made-up rewards.
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Baker’s Game: when FreeCell stops alternating colors and starts thinking in suits
How Baker’s Game works, what changes from FreeCell, and why same-suit building reshapes strategy even though the board looks familiar.
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Clue Manor: deducing who belongs in every corner
A complete Clue Manor guide for Blupoli: room clues, rows and columns, furniture, pencil marks, unique generation, difficulty and solving strategy.
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Equinox: solving suns, moons and = / × relationships
A complete Equinox guide for Blupoli: balance suns and moons, avoid three in a row, use = and × relationships, and master four sizes and difficulties.
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Gridlock: free the taxi and learn to play at par
A complete Gridlock guide for Blupoli: 6×6 sliding traffic rules, blocking chains, exact par, difficulty, hints, strategy and mobile play.
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Number Fill-In: how to solve number crossings with logic
Learn Number Fill-In in Blupoli: rules, length and crossing strategies, assistance, four sizes, and generation with a unique solution.
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Number Match: how pairs and empty space reshape the board
A complete Number Match guide for Blupoli: equal or make-10 pairs, clear paths through gaps, sizes from 7×6 to 14×12, difficulties and strategy.
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Number Waffle: deduce before you swap
Number Waffle guide for Blupoli: 1–N lines, sum clues, proven swap optima, 7×7–15×15 sizes and independent difficulty.
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Blupoli Cards: five classic solitaire games open a new corner of Blupoli
Blupoli Cards is Blupoli
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Blupoli Puzzles feels more like an app: immersive mobile play, resumable games and real-engine onboarding
How Blupoli Puzzles improves mobile play, resumable games, PWA continuity, real-engine onboarding and shared controls as one connected app.
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Balance Loop: a loop that also has to measure itself
How to play Balance Loop in Blupoli: white and black circles, run lengths, numbers, a single circuit and solving strategies.
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Battleship: finding a fleet without blind guessing
A guide to Battleship in Blupoli: row and column totals, fleet inventory, water, diagonal separation and solving strategy.
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Takuzu: how much logic can fit into two symbols?
How to play Takuzu in Blupoli: balanced zeros and ones, forbidden triples, unique lines, sizes, difficulty and unique solutions.
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Dots and Boxes: the real game begins when safe edges run out
A strategy guide to Dots and Boxes in Blupoli: boxes, extra turns, chains, four board sizes and progressively stronger CPU play.
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Logic Matrix: extracting certainty from a few clues
How to play Logic Matrix in Blupoli: horizontal and vertical clues, candidate elimination, difficulty, unique solutions and solving strategy.
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Zebra Grid: relational deduction at full scale
A guide to Zebra Grid in Blupoli: relational clues, candidates, 6×6 to 12×12 boards, unique solutions and meaningful difficulty.
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Castle Wall: one loop, one inside, one outside
A complete guide to Castle Wall in Blupoli: rules, strategy, unique generation, four sizes, four difficulties, and measurable complexity.
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Blupoli Puzzles takes a step forward: a new lobby, progress and shared results
Blupoli Puzzles now has a lobby-style Home, a richer progress dashboard, PolyPivot and a shared game-result contract ready for future accounts and sync.
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Blupoli changes its skin: a clearer web for Blog, Devlog and Puzzles
How Blupoli is changing visually: shared navigation and branding, a clear split between Blog and Devlog, stronger editorial covers, a consistent footer, and a cleaner relationship between the brand and Puzzles.
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A new chapter for Blupoli Puzzles: fewer half-finished games, more finished ones
Blupoli Puzzles is entering a new phase: incomplete games move to Coming Soon and every title is reviewed one by one before becoming playable again.
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From a large puzzle catalogue to a usable platform
How responsive design, navigation, themes, shared controls and clearer product boundaries turned a growing Blupoli Puzzles catalogue into a platform built to scale.
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From a puzzle catalogue to Blupoli: when a product becomes an ecosystem
How a growing puzzle product pushed us to separate brand, product, domains, Firebase Hosting, repository structure and editorial publishing into a clearer Blupoli ecosystem.
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From candidates to published: six languages without cloning Blupoli Puzzles
How Blupoli Puzzles turned four candidate locales into public languages without duplicating engines, state, catalogue data, routes or SEO.
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Colors: strategy lives on the frontier of a flooding board
How the Blupoli Colors engine separates board size, difficulty, reproducible generation and reachable Challenge budgets.
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Math Crossword: when equations become a connected grid
How Blupoli builds Math Crossword from shared variables, four sizes, difficulty profiles and propagation-based verification.
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Nonogram: line patterns, uniqueness and the cost of proof
How Blupoli generates and verifies Nonograms with line-pattern propagation, solution counting and a bounded generation budget.
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Norinori: two black cells per region, one partner per cell
How Blupoli verifies Norinori with region quotas, isolated dominoes, eight canonical variants and an independent uniqueness solver.
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Sudoku: generation, uniqueness and the UI around a classic
How Blupoli generates public Sudoku puzzles with uniqueness checks, clue targets, notes, hints, undo and a reusable game experience.
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More than 70 puzzles, many ways to think: categories that help people choose
How Blupoli Puzzles classifies mechanics, families and reasoning styles to improve discovery without turning taxonomy into pseudoscience or a rigid hierarchy.
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