Fun AI Apps

Drive a neon retro tank, blast hostile armor, collect ammo, and cross every pad to reach the next level. Keyboard and touch play. Source: https://github.com/brianrisk/SYNTHBLAST-threejs-game

A browser-native tactical FPS with procedural rendering, physics, AI, and audio. Source: https://github.com/Leonxlnx/claude-of-duty

Match animal card edges in a colorful local turn-based puzzle for one to four players. Drag, click, touch, or use the keyboard. Source: https://github.com/chrisheninger/matchimals.fun

Build and save a sun-bleached Mediterranean village in this isometric creative toy. Place terrain, plants, props, water, and buildings with mouse or touch. Source: https://github.com/boona13/mykonos-island-voxels

Wake beside a fading fire and build a settlement in this minimalist survival text adventure. Local saves, keyboard, and touch play. Source: https://github.com/doublespeakgames/adarkroom

A compact browser-based WebGL action shooter created for JS13K 2018. Source: https://github.com/phoboslab/underrun

Steer a flexible chain of balls, dodge hazards, collect power-ups, and survive each timed wave in this pointer-and-touch arcade game. Source: https://github.com/JIEJOE-Visual/snakeball

Play a realistic browser-based 3D billiards and pool physics simulator. Source: https://github.com/tailuge/billiards

A satirical fake food-delivery simulator: order food, pay nothing, receive nothing. Entirely client-side.

Deduce a four-character Chinese idiom with separate Hanzi, pinyin, initial, final, and tone feedback. Ten tries, hints, strict mode, and local stats. Source: https://github.com/antfu/handle (MIT).

Ask anything. A real human, pretending to be an AI, answers it in 60 seconds. No model was used.

Run, jump, collect every piece of gold, and clear roaming monsters in a compact canvas platform adventure with keyboard and touch controls. Source: https://github.com/jakesgordon/javascript-tiny-platformer

Navigate a field of hidden black holes using proximity clues in this polished, accessible puzzle game. Keyboard, mouse, and touch play. Source: https://github.com/GoogleChromeLabs/proxx

A complete browser-based first-person shooter. Source: https://github.com/StarKnightt/operation-ironhold

A polished Connect Four game with animated chip drops. Play against a minimax AI, a local friend, or watch two AIs compete. Source: https://github.com/kenrick95/c4

Race a colorful truck around a polished 3D circuit in your browser. Source: https://github.com/mrdoob/Starter-Kit-Racing

Explore, mine, build, and battle in a procedural browser-based third-person voxel world. Source: https://github.com/hexianWeb/Third-Person-MC

Place one queen in every row, column, and colored region without letting queens touch diagonally. Hundreds of local puzzles with undo and saved progress. Source: https://github.com/samimsu/queens-game

Time each drop, stack swinging floors, and build the tallest tower you can in this one-button canvas game. Click, tap, or use Space. Source: https://github.com/iamkun/tower_game

Rotate a six-sided core, catch falling blocks, and match colors before the stack reaches the edge. Keyboard and touch play. Source: https://github.com/Hextris/hextris

Clear twelve colorful mazes, dodge smart pursuers, and turn the chase around with power pellets. Keyboard and touch play. Source: https://github.com/mumuy/pacman

A fast-paced open-source HTML5 space shooter with momentum-based movement. Source: https://github.com/scottrippey/xquestjs

Build a deck, drag cards into tactical battles, and fight through a procedural dungeon to its boss. Source: https://github.com/oskarrough/slaytheweb (AGPL-3.0-or-later).

Play local two-player chess on a rotating 3D board with legal-move highlights, themes, captures, and undo. Source: https://github.com/juliangarnier/3D-Hartwig-chess-set (MIT).

Race seven pieces across the ancient royal board using binary dice, tactical captures, protected rosettes, pass-and-play, or an offline opponent. Source: https://github.com/RoyalUr/RoyalUr.net (MIT).

Slide the Octocat across a retro LCD screen and commit shots to squash descending bugs. Keyboard, mouse, and touch play. Source: https://github.com/balajmarius/commit4

Slide and merge matching number tiles to build 2048 in the original open-source browser puzzle. Supports keyboard and touch. Source: https://github.com/gabrielecirulli/2048

Draw paths through three key-and-door puzzles, then watch the journey rewind into a visual surprise. Source: https://github.com/ncase/door (CC0-1.0).

Flip cards, remember their positions, and match all six snack pairs in this quick browser memory game. Source: https://github.com/kubowania/memory-game (MIT).

Rotate hexagonal tiles until every pipe forms one connected, loop-free network. Multiple grids, local progress, and fresh generated puzzles. Source: https://github.com/gereleth/hexapipes (MIT).

Watch neural particles learn, compete, and evolve in a live artificial-life sandbox. Source: https://github.com/xcontcom/neuroparticles (MIT).

Hold to sweep your launch angle, release to leap, and cross an endless chain of widening gaps. Adapted from GOLFME in https://github.com/abagames/crisp-game-lib (MIT).

Climb from beggar to legendary fantasy careers by training skills, managing expenses, aging, and prestiging across lives. Source: https://github.com/ihtasham42/progress-knight (Unlicense).

Crack a hidden gesture lock by drawing patterns and interpreting Mastermind-style clues. Three modes and difficulties, built for mouse and touch. Source: https://github.com/maxwellito/breaklock

Drive a six-wheel rover across a simulated lunar basin, scan, drill, deploy relays, and uncover five missions. Source: https://github.com/winchxyz/moon-rover (MIT).

Place barriers on an 11 × 11 hex grid and trap a pathfinding cat before it reaches the rim. Source: https://github.com/ganlvtech/phaser-catch-the-cat (MIT).

Plant tiny people on a paper world, add crowds, and watch their spontaneous conversations become little stories. Source: https://github.com/thesephist/tinyhumans (MIT).

Roll a metal ball through procedural mazes, race the clock, and reach increasingly large levels. Keyboard and touch play. Source: https://github.com/wwwtyro/Astray (Unlicense).

Build a persistent hero through dungeon rooms, tactical combat, randomized loot, and equipment upgrades. Source: https://github.com/redpangilinan/dungeon-crawler-rpg-od (GPL-3.0).

Sketch and design with expressive brushes, shapes, layers, undo, and multiple locally saved canvases. Source: https://github.com/LHRUN/paint-board (MIT).

Walk through a fully procedural first-person rainforest, overgrown ruins, and waterfall with generated textures, geometry, and sound. Source: https://github.com/StarKnightt/jungle-trail (MIT).

Play a complete shedding-card match against a local bot. Source: https://github.com/aod/zhithead (MIT).

Orbit a luminous 3D particle field, launch ripples, and tune its height, speed, glow, density, and color. Source: https://github.com/mrdoob/three.js (MIT; official particles-waves example).

Play a first-to-nine Pong match against adaptive AI or a local opponent, with keyboard and touch controls. Source: https://github.com/jakesgordon/javascript-pong (MIT).

Deal the stock, build alternating tableau runs, and move all four suits from Ace to King. Three difficulty modes with hints and undo. Source: https://github.com/he-is-talha/html-css-javascript-games (MIT).

Dig, collect crystals, outsmart falling stones, and reach the gate across three compact caverns. Source: https://github.com/jakesgordon/javascript-boulderdash (MIT).

The mnemonic that makes market direction stick: bulls thrust their horns upward (rising, optimistic), bears swipe their claws downward (falling, pessimistic). Two illustrated panels plus a six-question random quiz to check it holds. A small single-idea explainer rather than a tool. Fully client-side with no network calls. Imported Claude artifact. Source: https://github.com/simonw/tools (bullish-bearish.html, Apache-2.0).

Swap neighboring prisms, clear lines, and build cascading combos. Source: https://github.com/KilledByAPixel/LittleJS (MIT).

A working demonstration of the BroadcastChannel API: open the page in several tabs, type in one, and the message appears in the rest instantly - no server, no backend. Same-origin and same-browser only, so nothing leaves your machine. Useful for seeing cross-tab state sync before building it yourself. Imported Claude artifact. Source: https://github.com/simonw/tools (broadcast-channel-chat.html, Apache-2.0).

Train skills, work, quest, craft, trade, and grow a persistent local hero in a deep idle RPG. Source: https://github.com/miktaew/yet-another-idle-rpg (MIT).

The classic Minesweeper at three board sizes - Easy (9x9), Medium (16x16) and Hard (30x16) - with a mine counter, timer, and controls that work on both desktop (left-click reveal, right-click flag) and touch. Imported Claude artifact, runs fully client-side. Source: https://github.com/simonw/tools (minesweeper.html, Apache-2.0).

Animated, side-by-side visualizer for eight classic sorting algorithms — bubble, insertion, selection, merge, quick, heap, radix and Timsort. Imported Claude artifact, runs fully client-side. Source: https://github.com/simonw/tools (sort-algorithms.html, Apache-2.0).