
CODEX MORTIS
Action · RPGA survivors-like necromancy deckbuilder whose Steam page says AI wrote all of its code.
Download required
View on SteamVibeGameDB lists 12 games in this group, 2% of the 486 games on the Claude Code page. Each one has a source for how it was made. The most common engine is No engine (HTML5) (42%). 10 are free or free to play and 1 is paid; 6 can be played in a browser. The most recently added is Proto Orbits (November 2026).
Ordered by editorial score, then player rating, then release date. Open a game for its sources.

A survivors-like necromancy deckbuilder whose Steam page says AI wrote all of its code.
Download required
View on Steam
A portrait-mode fantasy card battler in the browser: six factions, a front and back row to fight over, and roguelite runs that end at a boss.
Plays instantly in the browser
Play free — official site
A fantasy roguelike deckbuilder where creatures hold your battle line: ten heroes, seven clans and three acts to the final boss.
Plays instantly in the browser
Play free — itch.io
Two music festivals share one venue and fight over 10,000 fans: draft the acts, set the timetable and fire skills while the crowd is hot.
Plays instantly in the browser
Play free — itch.io
A solo card game about the life of a planetary system: gather dust into planets, add moons, start life and keep it alive before the star changes, swells or dies.
Plays instantly in the browser
Play free — itch.io
One fight, one turn, a new puzzle every day: find lethal before closing time, on the real combat rules of a roguelite deckbuilder.
Plays instantly in the browser
Play free — official site
A free roguelite card game for phones: beat duelists on an island, take their cards and rebuild your 20-card deck.
Plays instantly in the browser
Play free — official site
A deck-building roguelite where your cards are engineering skills: beat the bugs, pay down tech debt, leave work on time. Its code written almost entirely by Claude Code.
Plays instantly in the browser
Play free — official site
A free post-apocalyptic 1v1 card game in the browser: four crews, one shared board and a race to 15 Territory Points. The developer calls it 100% vibe coded, with Claude Code driving the whole build.
Plays instantly in the browser
Play free — official site
A roguelike bingo deckbuilder on a handheld console that is still in development: every bug you fix installs a patch that rewrites the rules.
Download required
View on itch.io
A free browser auto-battler where both sides play by the same rules: draft buildings, run a three-resource economy and bring down the other side's lighthouse. The developer says it was built throughout in collaboration with Claude Code.
Plays instantly in the browser
Play free — official site
Three mercenaries who fled the fall of Jericho fight other people's wars in a turn-based card RPG where a skill tree decides which cards you can fuse. Built in Godot almost entirely through vibe coding with AI agents.
No download needed
View demo on Steam