MelioGuides
Strategy articles for every game on Melio. Written for players who’ve done the basics and want to actually get better. Short on filler, long on specifics.
48 articles, grouped by game.
Sudoku
16 guidesHow to solve sudoku faster: speed without guessing
7 minSpeed comes from scanning order and pattern recognition, not from rushing. Scan by digit, pencil-mark only when you stall, learn the handful of techniques you actually hit, never guess, and race the clock until it is automatic.
The hardest sudoku puzzles, and how to actually solve them
7 minWhat makes a sudoku hard is not more blanks, it is the techniques it forces. X-wings, swordfish, XY-wings, and chains. What separates expert and extreme puzzles, and the method for cracking the ones that look impossible.
Sudoku XYZ-wing: the trivalue pivot variant of Y-wing
5 minY-wing's slightly bigger cousin. A trivalue pivot {x,y,z} plus two bivalue wings {x,z} and {y,z}, all sharing the digit z. Any cell that sees all three loses z as a candidate. Worked example, when it appears.
Sudoku unique rectangle: the uniqueness-based elimination
7 minFour cells in a rectangle across two rows, two columns, and two boxes, all sharing the same two candidates. If left alone, the puzzle would have two solutions, but a well-formed sudoku has exactly one. Use that to force an elimination.
Sudoku naked pairs and triples: the cell-set elimination
6 minWhen two cells in a unit share the same two candidates, those two digits are locked into that pair. Everywhere else in the unit can drop both digits. The most-used intermediate technique after pointing pairs.
Sudoku skyscraper: the cousin of X-wing for short-strong patterns
5 minThe skyscraper sits between X-wing and the harder fish patterns. Two strong links on a single digit, ending in cells of different heights, and the elimination that falls out. Worked example included.
How Melio Sudoku scoring works
4 minScore = base × time factor × mistake factor × hint factor. Here's exactly what each one does, why the formula is shaped this way, and how to push a 1,000-point Expert solve toward 2,000.
Sudoku Y-wing (XY-wing): the bivalue trick that breaks expert puzzles
6 minThe Y-wing is shaped like a chain, not a rectangle. Three bivalue cells, three candidate values, one elimination. Here's the pattern, why it works, and how it plays with the X-wing.
What is an X-wing in sudoku? The trick that breaks expert puzzles
6 minThe X-wing is the gateway from 'I solve hard sudokus by scanning' to 'I solve expert sudokus by reasoning.' Here's how to spot it, why it works, and what to do once you find one.
Sudoku pointing pairs and triples: the easiest intermediate technique
5 minThe first technique you learn after scanning. Pointing pairs unlock half the puzzles labeled 'medium' and a third of those labeled 'hard.' Worked examples, the precise rule, and the box-line cousin.
How to host a sudoku tournament with friends
7 minBracket structure, difficulty calibration, the rematch flow, and how to use spectator URLs as a casting feed. A practical walkthrough for running a 4-16 player sudoku event in one evening.
How to build a daily puzzle habit (and why it works)
7 minThe psychology of streaks, why 5 minutes of puzzling beats an hour of scrolling, the research on puzzles and cognitive aging, and a 30-day starter plan.
Sudoku swordfish and jellyfish: the advanced fish patterns
8 minThe X-wing extended. Swordfish (3 rows) and jellyfish (4 rows) catch eliminations that X-wing can't. Step-by-step with examples, when to look, what to look for.
How to play sudoku with friends: race, co-op, and spectator modes
8 minSudoku used to be a solo activity. Melio makes it multiplayer: race the same puzzle, solve one together, or stream a match for an audience. Here's how each mode works.
Sudoku tips for beginners: your first 10 puzzles
7 minHow to actually start solving sudoku if you've never finished one. Where to scan first, what pencil marks are for, when you're stuck, and when to move up a difficulty.
How to solve hard sudoku: pointing pairs, X-wings, and more
9 minThe techniques you need when basic scanning stops working. Pointing pairs, box-line reduction, naked pairs, hidden singles, and the X-wing pattern, with examples.
Chess
4 guidesChess openings for beginners: principles over memorization
8 minYou do not need to memorize twenty moves of theory. Control the center, develop your pieces, castle early, and connect your rooks. The handful of opening principles that beat most casual opponents, plus four sound, easy openings to start with.
Basic chess endgames every beginner should know
8 minMost casual games are won or lost in the endgame. King and queen mate, king and rook mate, the opposition, and how to promote a pawn. The few endgames that turn a drawn or losing position into a win.
How to play Chess: rules, piece moves, and checkmate
8 minEvery rule a beginner needs: how each piece moves, check and checkmate, castling, en passant, promotion, and stalemate. The 60-second version and the bits people always get wrong.
Chess tips for beginners: the opening principles that win games
7 minControl the center, develop your pieces, castle early, and stop hanging pieces. The handful of principles that beat 90% of casual opponents, plus the one-move blunder check.
Wordle
4 guidesHow to play Wordle: the 30-second rules and the 5-minute strategy
5 minFive letters, six guesses. The rules take 30 seconds; learning to win in three or four takes a bit longer. The colored squares, the strategy, hard mode, and what a good opener gets you.
Wordle hard mode: what changes, what wins
6 minHard mode kills the two-word strategy. Here's what changes, the openers that survive, and the trap-avoidance habits that get you to a 100% win rate.
Best Wordle second words: what to play after your opener
7 minPicked CRANE? RAISE? ADIEU? Here's the optimal second guess for each, the math behind why pair strategies dominate, and the trap most players fall into on guess 2.
The best Wordle starting words: and why they work
6 minADIEU, CRANE, AROSE, RAISE, the openers everyone recommends, ranked by what they actually accomplish. Plus the math behind a good opener.
Connections
3 guidesHow to play Connections: rules, strategy, and the colors
5 minConnections is a 16-word puzzle: find four hidden categories. Rules in 30 seconds, what the four colors mean, and the three habits that turn 0/4 days into 4/4 days.
Connections grid archetypes: the six patterns to recognize
7 minEvery Connections puzzle reuses a handful of grid shapes. Spotting which one you're looking at narrows the category-guessing space from huge to small. Six archetypes, examples, and how to attack each.
Connections: how to crack the purple group
7 minPurple is wordplay 95% of the time. Here's the four wordplay patterns Connections uses, how to spot them, and the elimination trick that turns purple into the easiest group.
Solitaire
2 guidesHow to play Solitaire (Klondike): rules and your first win
6 minKlondike solitaire in plain English: how the tableau, stock, and four foundations work, what moves are legal, and the order of operations that gets a beginner to a finished game.
How to win at Solitaire: the strategy that lifts your win rate
7 minMost Klondike games are winnable, but most players lose them. The habits that matter: uncover face-down cards first, do not empty a column without a King, play to the stock, and when draw-1 beats draw-3.
Spider Solitaire
2 guidesHow to play Spider Solitaire: rules, suits, and your first cleared run
6 minSpider in plain English: the two-deck deal, building down by rank, why suits matter only for moving runs, how to clear a King-to-Ace suit, and the order of play that gets a beginner through a one-suit game.
Spider Solitaire strategy: how to win at 1, 2, and 4 suits
7 minThe habits that raise your Spider win rate: build in suit whenever you can, open a column early, work the longest columns first, and never deal with an empty column. Plus how the three difficulties really differ.
FreeCell
2 guidesHow to play FreeCell: rules, the free cells, and your first win
6 minFreeCell from scratch: the open deal, building down in alternating colors, what the four free cells are for, sending suits up from the ace, and the supermove that shifts a whole run at once.
FreeCell strategy: how to win almost every game
7 minNearly every FreeCell deal is winnable, and a few habits get you there: plan before spending free cells, open an empty column early, do not bury low cards, and work backward from the cards you need.
Mahjong
2 guidesHow to play Mahjong Solitaire: rules, free tiles, and your first clear
6 minMahjong Solitaire in plain English: how the layered board works, what makes a tile free, why you match identical pairs, and the order of play that clears all 144 tiles. Every Melio board is solvable.
Mahjong Solitaire strategy: how to clear every board
7 minSolvable does not mean easy. The habits that get you to the last pair: free the most-blocked tiles first, peel the top layer down, never clear a pair that buries a tile you still need, and save the hint and shuffle for real dead ends.
Minesweeper
2 guidesHow to play Minesweeper: rules, flags, and reading the numbers
5 minThe classic Windows-era logic puzzle. Click safe squares, flag mines, don't blow up. Rules in 30 seconds, what each number means, and the basic pattern-reading that gets you past your first sub-3-minute Beginner.
Minesweeper number patterns that solve themselves
8 minThe 1-2-1, 1-2-2-1, and corner patterns that flag mines for you with zero guessing. Plus how to recognize them mid-game without slowing down.
2048
2 guidesHow to play 2048: rules, controls, and the corner habit
4 minSlide tiles, merge matching numbers, race to 2048 and beyond. The rules take 30 seconds. The one habit that turns a 200-point bumble into a 20,000-point clean game takes one paragraph.
How to win 2048: the corner strategy that always works
8 minPick a corner, never leave it, build a chain. The single strategy that consistently reaches the 2048 tile, and the small habits that take you to 4096 and beyond.
Typing Test
3 guidesTyping race tips: how to win a head-to-head race
6 minHow to win a TypeRacer-style race: warm up first, let accuracy carry your speed because a wrong word will not advance, hold a steady rhythm, and ignore the other racers. Plus how Melio Type Races work and how to start one.
How to type faster: the technique that actually moves your WPM
6 minSpeed is a side effect of accuracy and touch typing, not of rushing. Home row, eyes off the keyboard, the drills that work, and why slowing down is how you get faster.
What is a good typing speed? Average WPM, explained
5 minThe average adult types around 40 WPM; 65 to 80 is proficient and 100+ is fast. What the numbers mean, how WPM is measured, how speed varies by age and job, and a realistic target.
Word Hunt
2 guidesHow to play Word Hunt: trace, score, and the patterns that pay
5 minDrag through adjacent letters to spell words. 80 seconds. Higher letter count = more points. The patterns top scorers exploit and the four habits that lift your average from 800 to 2,000+.
Word Hunt: the patterns that always score
6 minPlurals, common suffixes, prefix stacks, and diagonal chains. The high-leverage patterns to scan for first when the timer starts ticking.
Word Search
1 guideWord Bomb
1 guideMini Crossword
1 guideReaction Time
1 guideReference + more articles
Need a quick definition rather than a full article? Try the sudoku glossary or the Connections theme glossary. New guides ship every week or two; subscribe via the RSS feed for fresh ones.
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