Tech updates
Meet FoolFish AI Game Tools: a Games MCP Server You Can Use Today
Our AI game tools collection starts with FoolFish Games MCP. Here is what version 1.0.0 does, how to connect it and what to ask first.
The FoolFish Journal
Blog & guides
Playing guides, useful discoveries and a look inside the FoolFish studio. Find a good idea for your next game.
34 articles to explore
Guides
Fish Sudoku Idle guide: Sudoku for beginners and a happy aquarium
Learn the three Sudoku rules, rescue your first ocean friends and decide when to upgrade coral or spend shells on a hint.
Guides
Fish Playground Idle guide: connect water, merge fish and grow
Build a productive idle aquarium with a better water route, well-placed fish and enough oxygen. Start with the guided first reef.
Guides
10 free online game websites to try in 2026
Choose by the experience you want: an arcade browse, a careful deduction, a daily surprise or a size-estimation challenge. Ten sites, with useful differences.
Guides
SizeItUp strategy: ratios, measurement axes and better guesses
Turn a known reference into a useful ratio, avoid the camera-zoom trap and understand a 30-metre whale comparison.
Guides
Your first chess game: moves, castling and keeping the king safe
A beginner chess guide built around one short opening: learn what a move changes, clear the way to castle and tell a win from a stalemate.
Guides
Checkers rules and strategy: follow the whole jump
A capture can be compulsory without being the only choice. Compare two complete jump routes, learn what crowning changes, and avoid mixing checkers variants.
Guides
Backgammon for beginners: why your move is blocked
Read two dice as two decisions. Learn a 3–1 opening, enter from the bar and bear off without mistaking a blocked move for a broken game.
Guides
Mancala rules and strategy: count your last stone
The last stone decides the turn. Follow a bonus move, a seven-stone capture and an endgame where leading the stores is not enough.
Guides
Klondike Solitaire: Draw 1, Draw 3 and the move worth making
Moving an ace is useful. Moving an ace that uncovers another card tells you more. Follow deal 42, then learn what changes between Draw 1, Draw 3 and Free placement.
Guides
Water Sort puzzle: rules, empty cups and better pours
Learn Water Sort rules with a four-layer cup example. Plan pours, preserve empty space, avoid blocked colors and understand when a puzzle is complete.
Guides
How to play one-suit Spider Solitaire: rules and strategy
Learn one-suit Spider Solitaire: descending runs, empty columns, stock deals and King-to-Ace sets. Read practical tips for the FoolFish browser game.
Guides
BlockBlast guide: clear lines and plan all three blocks
Learn BlockBlast rules for the 8×8 board, Classic and Adventure modes. Plan three-piece sets, preserve useful gaps and clear rows with a purpose.
Guides
CatClash match-3 guide: specials, boxes and rescue goals
Learn CatClash match-3 rules, special-tile shapes and rescue goals. Plan swaps around boxes, combine specials and make limited moves count.
Guides
CatEscape guide: clear paths for the long cats
Learn the CatEscape long-cat puzzle on FoolFish. Read escape directions, remove blockers in order, protect hearts and plan before the timer runs out.
Guides
Parking Car Jam guide: safe exits and smarter move order
Learn Parking Car Jam rules: move along each car’s length, untangle blocked exits, avoid collisions and time a safe departure past the officer.
Guides
How to play SizeItUp: controls, galleries and Daily five
Your first five guesses, explained: read the reference, resize the target, choose a gallery and make sense of the reveal.
Guides
Wordle practice guide: clues, repeated letters and better guesses
Understand Wordle color clues and repeated letters with an APPLE example. Learn a practical guessing routine for FoolFish daily puzzles and free practice.
Guides
Fish RNGdle: how rare is your daily roll?
A six-digit number can hide a pair, a gap and a Deep Void. Read a real Fish RNGdle result to understand what makes a roll rare—and what the fish artwork tells you.
Guides
Animal RNGdle: a beginner’s guide to collecting badges
Your first animal badge is only part of the story. Learn to read overlapping patterns, keep future daily rolls and compare your collection with other players.
Guides
RNGdle guide: daily rolls, badges and entropy points
Generate one number, discover its patterns and see how rare the result is. A practical guide to daily RNG games, EP and badge families.
Studio notes
Wardogs and the appeal of fighting over a place
Holding the middle is easy to understand. Deciding when to leave it is the game. A tactical briefing for Reef Command, our proposed browser strategy game.
Studio notes
Idle Mafia-style management, with a harbor to run
The boats are arriving faster, but the market is still empty. Before buying another upgrade, follow one crate through the harbor. That is where our idle game begins.
Studio notes · Game updates
Go Fish card game: one question changes the table
Learn how to play Go Fish with a worked turn, then explore our plans for a clear, friendly Go Fish online experience at FoolFish Games. Release update — 10 October 2026: Go Fish and Fish Go Fish are now playable as single-player browser games against the computer. The planning notes, concept artwork and interest button below belong to the original preview; current rules and game links appear in the release update section.
Studio notes
Fish eat fish: the interesting choice is when to turn away
A closer look at fish-eating games: readable danger, room to escape and touch controls. Explore the blue-ocean arcade concept we are planning at FoolFish.
Studio notes
Ocean mahjong: ivory tiles, blue water, one quiet pop
Inside the FoolFish ocean mahjong concept: cool-blue tile edges, readable symbols, rising bubbles and a sound that keeps the familiar tile click.
Guides
How to play Sudoku: rules, notes and your first deductions
Start with the three Sudoku rules, find a forced number and learn when to use pencil notes instead of guessing.
Guides
ArrowEscape guide: find clear paths and save your hearts
Read an arrow’s exit path, remove blockers in order and understand the timer, hearts and limited tools.
Guides
How to play 2048: merges, moves and score
Learn how 2048 moves and merges work, why a new tile appears, and how to keep space open. Includes a worked row example and a real game screenshot.
Guides
How to play nonograms: clues, gaps and overlap
Learn nonogram rules with five-square examples. Read clue order, leave gaps between groups, use overlap, and cross-check rows against columns.
Guides
How to play mahjong solitaire: rules with tile examples
Learn the two checks that make a tile free, with matching, covering and blocked-side examples from Mahjong Clearer.
Guides
Mahjong solitaire strategy: choose pairs that open the board
Go beyond spotting a legal pair. Use covers, row ends and a short look ahead to choose a move that opens useful options.
Guides
Catdoku rules and strategy: find the cat without guessing
A Catdoku game guide with two original diagrams, a forced-placement example and a careful explanation of diagonal neighbors.
Guides
Factory Idle guide: balance inputs and plan your next Prestige
A practical Factory Idle strategy guide: diagnose a 6-ore supply gap, distinguish stored materials from production rates and choose a reset with a purpose.
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