14 open source games, ready in one click.
No account, no download, no launcher. Every game here is someone's open source project, served from its own published source with the licence kept in place and the author credited.

Underrun
A twin stick shooter in a dark, neon lit facility.
ActionMIT

Hextris
Spin the hexagon and match the colours before they stack.
PuzzleGPL-3.0

Pacman
Clear the maze, dodge four ghosts, eat the power pills.
ArcadeWTFPL v2 (public domain equivalent)

Space Huggers
Run, gun and blast through destructible alien outposts.
ActionGPL-3.0

JS Racer
A pseudo 3D road racer in the arcade tradition.
RacingMIT
The rest of the catalogue
14 games in total

2048
Slide matching tiles and chase the big number.
PuzzleMIT

Clumsy Bird
One tap keeps you flying. The pipes do the rest.
ArcadeGPL-3.0

Falling Blocks
Stack the pieces, clear the lines, keep the stack low.
PuzzleMIT

Snake
Eat, grow, and never bite your own tail.
ArcadeMIT

Asteroids
Drift, rotate, shoot, and try not to hit the rocks.
ArcadeMIT

Space Invaders
Hold the line as the formation drops row by row.
ArcadeMIT

Dino Run
The offline runner, without needing to go offline.
ArcadeBSD-3-Clause

Brick Breaker
Bounce, break, and clear the wall.
ArcadeMIT

HexGL
A futuristic WebGL racer at absurd speed.
RacingMIT
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What an H5 game is
An H5 game is built with HTML5, JavaScript and the browser canvas instead of a native app or a plugin. It runs on anything with a modern browser, loads in a second or two, and needs no install or store account. Every game on this site is a small set of static files, which is why they open instantly even on a slow connection.
Two of them, Underrun and Space Huggers, were built for js13k, a competition where the entire game has to fit inside thirteen kilobytes. They are a fair demonstration of how little code a good game actually needs.
Why the catalogue is short
A game is only listed here if its licence permits hosting, it runs from static files with no server of its own, and it is worth a second round. That rules out most of what gets published as a browser game and leaves a handful of classics, a few competition entries and some well known open source rewrites.
Nothing is rebranded or wrapped in an interstitial. Authors, source repositories and licences are all listed on the credits page, and each game folder keeps the licence file it shipped with.