Submission by Limb

Vault: A Voice Escape Room. A concept. An experiment. A game. What if you could give a room a voice? A life. A will of its own. You are locked inside a glass vault, and the walls are already moving. There are no buttons, no UI—only the Vault Guardian, an entity that protects the vault, powered by a live ElevenLabs voice agent. Your voice is the key. It speaks a riddle, and you must answer out loud. Convince the Guardian you’ve earned it, and the vault shatters open. Fail, and the walls seal you in. It is a claustrophobic, suffocating, inescapable experience. The vault grows darker as the walls close in, and the glass begins to creak under pressure—louder, more desperate, more final. Every sound you hear is generated live using ElevenLabs sound effects: the strain of glass, the explosive shatter when you win, or the slow, crushing collapse when you don’t. There is nothing else—just the vault, alive around you. You can try it solo, or bring a friend in co-op. In co-op, the puzzle splits in two, with parallel conversations unfolding at the same time. Each of you holds only one word of the answer, and neither knows what the other has been told. You’ll have to piece it together and solve both halves before the walls close in on you both. Built on ElevenLabs Conversational AI, the experience runs on live, real-time voice agents. Riddles are generated dynamically using Gemini 2.5 Flash, ensuring every session presents a fresh puzzle. Cloudflare Durable Objects power the vault itself—a persistent, stateful process running at the edge. Each room is controlled by its own object, which tracks the wall position, runs the squeeze timer, and broadcasts updates to connected players over WebSocket. There is no client-side simulation: the server moves the walls, and the clients render what they’re told. When both words are solved in co-op, the vault opens for both players at the exact same moment. Your voice got you in. Now use it to get out. You have 100 seconds to live.