Builderlog Play

Free demos. Each game below is the unedited single HTML file that one Claude Code run (Opus 5.5) produced from the matching prompt. Keyboard, gamepad or touch. Add ?demo=1 to watch it play itself.

FROSTLIGHT SNATCH

3D UFO night abduction game: tractor beam, alert meter, five nights and a boss rig.

IRONVEIL ARENA

3D mech arena duel: lock-on missiles, round banners, rooftop stadium in the rain.

REEFQUAKE

3D kaiju city smash: a sea titan wrecks a neon harbor.

ROLLBURG

3D snowball roll-and-grow: start small, end up rolling houses.

CRUMB SIEGE

3D gingerbread horde survivor: hundreds of enemies, evolutions, a boss.

AVALANCHE KING

3D yeti ski resort rampage: smash lodges, start avalanches, beat the groomer mech.