If the Moon Were Only 1 Pixel
FreeA tediously accurate scale map of the solar system where the Moon is one pixel and you scroll through a lot of empty space.
#Education
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Free Fun Websites
Games, toys and odd corners of the internet. Every site here is free.
171 apps
Codenames Online
FreeThe official free browser version of Codenames: share a link, split into teams and give one-word clues to find your agents.
#Fun
Line Rider
FreeThe classic sledding toy: draw a track, press play and watch a little rider try to survive your hills, loops and jumps.
#Art & AI Images
Infinite Craft
FreeStart with Water, Fire, Earth and Wind and combine them while an AI invents every new element, from Steam to Godzilla.
#Fun
Quick, Draw!
FreeGoogle's doodle game where a neural network tries to guess what you are drawing before the 20 second timer runs out.
#Art & AI Images
Draw a Fish
FreeDraw a fish, let an AI judge whether it really looks like one, and watch it swim in a shared tank with everyone else's fish.
#Art & AI Images
Gandalf: Agent Breaker
FreeLakera's AI hacking game where you write prompts to trick ten realistic AI apps into leaking secrets or breaking their rules.
#Fun
Blob Opera
FreeDrag four colourful blobs up and down and they sing in harmony, with voices from an AI trained on real opera singers.
#Music
Waifu Labs
FreeAn AI that paints a custom anime portrait for you in four quick steps, learning what you like from the options you pick.
#Art & AI Images
This Word Does Not Exist
FreeA GPT-2 model invents a brand new word, definition and example sentence every time you load the page.
#Writing
GitHub Profile Roast
FreeType in any GitHub username and an AI reads the public profile and writes a funny, brutal roast of it.
#Fun
Bach Doodle
FreeGoogle's first AI-powered Doodle: write a short melody and machine learning harmonises it in the style of Bach.
#Music
Size of Life
FreeA calm, hand-painted zoom through living things from a strand of DNA up to a forest that is a single organism.
#Education
Space Elevator
FreeRide an elevator from the ground into outer space by scrolling up, meeting birds, planes, auroras and satellites on the way.
#Education
Patatap
FreeA keyboard sound kit where every key plays a sound and fires off colourful animated shapes.
#Music
Silk
FreeDrag your mouse and glowing threads of colour spin into symmetrical silk patterns, set to calming music.
#Art & AI Images
WebGL Fluid Simulation
FreeA real-time fluid simulation that swirls bright colours under your mouse or finger, and it is very hard to stop playing with.
#Art & AI Images
Sandboxels
FreeA falling-sand sandbox with hundreds of elements that burn, melt, freeze, grow and react, all running in your browser.
#Fun
Life Stats
FreeEnter your birthday and see your life in numbers, from heartbeats and breaths to how far Earth has carried you.
#Travel & Lifestyle
The Size of Space
FreeStep from an astronaut up to the whole observable universe, one object at a time, to feel how big space really is.
#Education
Wonders of Street View
FreePress a button to jump to a random hand-picked Street View spot, from giant lobsters to famous landmarks.
#Travel & Lifestyle
Asteroid Launcher
FreePick an asteroid's size, speed and material, drop it on any city, and see the crater, fireball and shock wave it would cause.
#Education
Zoomquilt
FreeA hand-painted image that zooms forever, one dreamlike scene melting seamlessly into the next.
#Art & AI Images
Eel Slap
FreeSwipe your mouse across the screen to slap a man in the face with an eel, in surprisingly smooth slow motion.
#Fun