The Underground
Explore generated tunnels, open locked doors, and find artifacts before time runs out.
Creator
mythcitygames made The Underground, an adventure and roguelike game. The Vibe Jam 2026 submission form says AI wrote most of the code. It was made with Cursor and runs on Three.js.
In the 2026 Vibe Coding Game Jam, it finished #408 of 945 entries. It has online multiplayer. On the site since September 29, 2026.
What the creator named when the game was listed.
They share a tool, a jam or an engine with mythcitygames. Best-ranked first.