# PlayDen full AI brief

## What PlayDen is
PlayDen turns a sentence into a playable game. Describe an idea and a built-in AI writes a complete, runnable browser game in seconds — or remix what others made, or tune one of 40+ game engines. Every game plays instantly in any browser, sandboxed and free.
Every game, uploaded or AI-generated, is security-scanned and human-reviewed before it goes live.
Current public library: about 278 published games, 40+ engines, three interface languages.

## Canonical URLs
- English canonical home: https://playden.io/en
- Sitemap index: https://playden.io/sitemap.xml
- Public API: https://playden.io/api/v1

## Primary user intents
- Free browser games: Play free browser games instantly on PlayDen: arcade, puzzle, word, strategy and daily games with no downloads or installs. (https://playden.io/en/free-browser-games)
- AI-generated games: Discover playable AI-generated browser games and make your own from a prompt on PlayDen. (https://playden.io/en/ai-generated-games)
- Daily word games: Play daily word and typing games in your browser, including shared puzzles that reset at UTC midnight. (https://playden.io/en/daily-word-games)
- Browser puzzle games: Play free browser puzzle games: logic, match-three, memory, merge, sudoku and daily puzzles. (https://playden.io/en/browser-puzzle-games)
- No-download arcade games: Play arcade games online with no download: snake, runners, flappy-style games, dodgers and more. (https://playden.io/en/no-download-arcade-games)
- Browser strategy games: Play strategy, tower defense, roguelike and turn-based browser games instantly on PlayDen. (https://playden.io/en/browser-strategy-games)
- Browser word games: Play free word games and typing games online in your browser, no download required. (https://playden.io/en/browser-word-games)
- Make a browser game: Make a browser game from a prompt or tune a tested game engine, then publish it on PlayDen. (https://playden.io/en/make-browser-game)
- Online Sudoku games: Play Sudoku and number puzzle games online for free, including daily shared puzzles. (https://playden.io/en/online-sudoku-games)
- Tower defense browser games: Play tower defense games in your browser and remix engine-built strategy games on PlayDen. (https://playden.io/en/tower-defense-browser-games)
- Classic browser games: Play classic browser games like snake, solitaire, pong, minesweeper, tic-tac-toe and more. (https://playden.io/en/classic-browser-games)
- Casual browser games: Play quick casual browser games for free: puzzles, arcade runs, clickers, word games and more. (https://playden.io/en/casual-browser-games)

## Structured data model
- Game pages use VideoGame plus BreadcrumbList.
- Browse, tag, discover, engine and SEO landing pages use CollectionPage plus ItemList.
- Engine hubs use SoftwareApplication and link to games built from that engine.
- Profiles use ProfilePage plus Person and list that creator's games.

## Top games by plays
- 霓虹扫雷 (https://playden.io/en/game/wydwmgztcv): 霓虹风的经典扫雷 — 1809 plays
- Snake: Glitch Edition (https://playden.io/en/game/ezjunrmn9o) — 1614 plays
- Glyph Warden (https://playden.io/en/game/p64cbp7hpd): Sketch runes, shatter corruption—defend the Heart Prism — 1372 plays
- Daily Wordle (https://playden.io/en/game/dlywordle) — 524 plays
- 俄罗斯方块 (https://playden.io/en/game/x9ejbohade): 经典方块下落，三档难度自由切换 — 507 plays
- Daily Card Crawl (https://playden.io/en/game/dlycrawl) — 505 plays
- Daily Sudoku (https://playden.io/en/game/dlysudoku) — 504 plays
- 霓虹迷宫 (https://playden.io/en/game/cejhcesbzn) — 484 plays
- 无尽守卫 (https://playden.io/en/game/xthppqz5az): 虚空漂流，逐区清剿 — 467 plays
- Dune Defense (https://playden.io/en/game/vdupstxwur) — 450 plays
- Pellet Labyrinth (https://playden.io/en/game/o79kn89zph) — 439 plays
- Neon Crates (https://playden.io/en/game/57iuv7td8m) — 392 plays
- 急速迷宫 (https://playden.io/en/game/c7ifzb2rjd) — 386 plays
- 3D 旋转飞鸟 (https://playden.io/en/game/4sgjah9dn8): Flappy Bird 的 3D 旋转变体 — 382 plays
- 冰窟回廊 (https://playden.io/en/game/ubs59jyxkd) — 377 plays
- 2026 Pop Culture Trivia (https://playden.io/en/game/qxmq5suvqd) — 350 plays
- Daily Word Search (https://playden.io/en/game/dlywordsearch) — 343 plays
- Neon Snake (https://playden.io/en/game/6ijt44ccaa): Luminous hunger, electrifying danger — 334 plays
- Flappy Astronaut (https://playden.io/en/game/478bqfzc3m) — 323 plays
- Daily Nonogram (https://playden.io/en/game/dlynonogram) — 322 plays
- Salvage: The Quiet Station (https://playden.io/en/game/8rehomdsyx) — 319 plays
- Daily Box Push (https://playden.io/en/game/dlysokoban) — 314 plays
- Ocean Match (https://playden.io/en/game/yzwmhcgwas) — 310 plays
- Daily Trivia Quiz (https://playden.io/en/game/dlytrivia) — 309 plays
- Goblin Kitchen Defense (https://playden.io/en/game/omz45pmwar) — 302 plays
- Block Blast (https://playden.io/en/game/ucsrv85met) — 302 plays
- Sudoku (https://playden.io/en/game/pzaeq3dvqv) — 302 plays
- Daily Mahjong Solitaire (https://playden.io/en/game/dlymahjong) — 301 plays
- Expert Sudoku (https://playden.io/en/game/xic9pw86mb) — 301 plays
- Daily Memory Match (https://playden.io/en/game/dlymemory) — 300 plays

## Engine catalog
- Card Crawl: a short roguelike deckbuilder run: clear battles with a hand-played card deck, pick rewards between fights, beat the boss (https://playden.io/en/engines/deckbuilder)
- Idle Tycoon: a deep idle/incremental tycoon: tap and run auto-generators to earn currency, buy upgrades that multiply output (global or per-generator), then prestige to bank a permanent multiplier and snowball each run faster (https://playden.io/en/engines/tycoon)
- Minesweeper: the classic logic game: reveal safe cells guided by adjacent-mine numbers, flag the mines, and clear the board without detonating one (https://playden.io/en/engines/minesweeper)
- Nonogram: the picture-logic puzzle (a.k.a. Picross / Griddler): read the number clues on each row and column to fill the correct cells and reveal a hidden picture (https://playden.io/en/engines/nonogram)
- Solitaire: Klondike solitaire: build the four foundations up by suit from Ace to King; tap a card to auto-play it to its best legal spot (https://playden.io/en/engines/solitaire)
- Sudoku: the classic 9x9 number-placement puzzle: fill every row, column, and 3x3 box with 1-9, with no repeats (https://playden.io/en/engines/sudoku)
- Tower Defense: creeps follow a fixed path; place and upgrade towers on buildable tiles to stop them before they leak; waves escalate (https://playden.io/en/engines/tower_defense)
- Trivia Quiz: a multiple-choice quiz: pick the right answer to each question and rack up points (https://playden.io/en/engines/trivia)
- Typing Test: a typing speed test: type the passage quickly and accurately for a words-per-minute score (https://playden.io/en/engines/typing)
- Word Guess: a word-guessing game: deduce the hidden word within a few tries from green/yellow letter clues (https://playden.io/en/engines/wordle)
- 2048: a sliding-tile merge puzzle: equal numbered tiles combine and double; reach the target tile to win, or fill the board to lose (https://playden.io/en/engines/merge2048)
- Box Push: a tile-pushing logic puzzle: push every box onto a goal without trapping it in a corner (https://playden.io/en/engines/sokoban)
- Brick Breaker: a paddle bounces a ball to clear a wall of bricks; the ball speeds up with every rally (https://playden.io/en/engines/breakout)
- Connect Four: drop discs into a grid to connect four in a row — across, down or diagonally — before the computer (https://playden.io/en/engines/connect4)
- Dash Runner: an endless auto-runner: jump over obstacles on a track that scrolls ever faster; distance is the score (https://playden.io/en/engines/runner)
- Flap: a one-tap flyer: the bird falls and flaps up, threading gaps between scrolling pipes (https://playden.io/en/engines/flappy)
- Mahjong Solitaire: mahjong solitaire: clear a layered pyramid of tiles by matching free identical pairs — a tile is free when it has no tile on top and an open left or right edge (https://playden.io/en/engines/mahjong)
- Memory Match: a concentration card game: flip two cards a turn to find matching emoji pairs and clear the board (https://playden.io/en/engines/memory)
- Snake: classic grid snake: it grows on eating food and dies on hitting a wall or itself (https://playden.io/en/engines/snake)
- Word Search: the classic letter-grid word hunt: a themed list of words is hidden across, down and diagonally; drag over the letters to find them all (https://playden.io/en/engines/wordsearch)
- AI Text Adventure: an interactive-fiction game with an AI Game Master: describe what you do in plain language and the world responds in prose, working toward a goal you can win or lose (https://playden.io/en/engines/adventure)
- Ballz: the swipe brick-breaker formula (BBTAN/Ballz style): each round a stream of balls fires at one aimed angle into a wall of numbered bricks that descends a row every turn; +1 tokens grow the stream; one brick at the floor ends the run (https://playden.io/en/engines/ballz)
- Block Blast: the wildly popular block puzzle: drag the offered block shapes onto the grid and fill whole rows or columns to clear them — survive as long as you can and rack up combos (https://playden.io/en/engines/blockblast)
- Blockfall: the timeless falling-block line-clearing puzzle: seven shapes drop into a well, full rows vanish for points, and the fall speeds up with every level until the stack tops out (https://playden.io/en/engines/blockfall)
- Bubble Shooter: the classic bubble shooter: aim a launcher at a hexagonal grid of colored bubbles and fire matching colors to pop connected groups of three or more, dropping the bubbles left dangling, in an endless score chase (https://playden.io/en/engines/bubble)
- Click Tycoon: an idle/incremental: tap to earn currency, buy producers that auto-earn per second with rising costs, watch the number grow (https://playden.io/en/engines/clicker)
- Crossy: an endless lane-crossing hopper (Crossy Road / Frogger style): hop forward across grass strips, traffic-filled roads, log rivers and train tracks; the camera creeps forward, a hawk punishes idling, and the score is the furthest row reached (https://playden.io/en/engines/crossy)
- Dodge: survive in an arena while hazards stream in from the edges; one touch ends the run, score = seconds survived (https://playden.io/en/engines/dodge)
- Dungeon Crawl: a turn-based grid dungeon crawler: move tile by tile, bump foes to attack, grab items, take stairs down through floors; permadeath (https://playden.io/en/engines/roguelike)
- Hexagon: a hypnotic rotating-tunnel survival game: a tiny cursor orbits a central polygon while walls contract toward it in waves, the whole world spins, pulses and color-shifts, and every second survived counts (https://playden.io/en/engines/hexagon)
- Higher or Lower: the viral comparison duel: one card's value is revealed, guess whether the mystery card's value is higher or lower, and ride the streak as far as it goes (https://playden.io/en/engines/higherlower)
- Invaders: a cannon auto-fires upward at a side-stepping, descending formation of invaders that drop bombs; clearing a wave spawns a faster one (https://playden.io/en/engines/shooter)
- Jumper: the endless vertical platform jumper: an emoji character bounces ever upward across normal, moving, breakable and spring platforms while the screen scrolls, with rocket pickups, screen wrap, and a height-in-meters score chase (https://playden.io/en/engines/jumper)
- Match Three: swap adjacent gems to form lines of 3+ that clear and cascade, scoring within a move limit (https://playden.io/en/engines/match3)
- Maze: navigate a hand-drawn maze: thread the corridors, collect every pellet, and reach the exit before the moves run out — faster solves and full pellet sweeps score higher (https://playden.io/en/engines/maze)
- Pong: the classic two-paddle table-tennis duel against a CPU opponent; the ball speeds up each rally, first to the target score wins (https://playden.io/en/engines/pong)
- Rhythm Tiles: a Piano-Tiles-style rhythm tapper: note tiles fall down the lanes in time with a real melody, and tapping each tile inside the hit zone literally performs the song note by note; the tune loops endlessly, speeding up on every pass until the player runs out of lives (https://playden.io/en/engines/rhythm)
- Slicer: a swipe-to-slice arcade game: themed objects are tossed up in arcs and the player slashes through them with a glowing blade trail, chaining combos while avoiding the bombs mixed into the waves (https://playden.io/en/engines/slicer)
- Stacker: a timing game: a block slides across the tower top and is dropped to stack; overhang is sliced off until nothing lands (https://playden.io/en/engines/stacker)
- Survivor: a Vampire-Survivors-style arena: the player auto-fires at the nearest enemy, dodges a growing swarm, collects XP gems, levels up and picks upgrades (https://playden.io/en/engines/survivor)
- Tic-Tac-Toe: the classic 3x3 game: line up three of your marks in a row before the computer does (https://playden.io/en/engines/tictactoe)

## API summary
- GET /api/v1 lists public API capabilities.
- GET /api/v1/games returns public games and metadata.
- GET /api/v1/games/{pid} returns one public game.