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Build worlds with AI.
Play them with friends.
Explore dungeons, battle mythical creatures, and forge bonds with AI companions that fight alongside you and grow stronger together.
Kythera Beach
Waves lap against the rocky shore. Driftwood and debris from the storm litter the sand. A trail leads up toward the village.
The salt wind carries the faint sound of voices from the north.
Thalia, Village Elder's Daughter, is here.
Exits: [north]
›talk thalia
Thalia says: "You're awake. Good. Kythera could use another pair of hands."
Why Lairs?
The perfect blend of classic MUD gameplay and modern AI technology.
AI-Powered Creation
Build entire worlds with AI assistance. Generate quests, NPCs, and storylines that adapt to your players.
Classic MUD Combat
Real-time combat with party systems, dungeons, and boss fights. Form groups and take on challenges together.
AI Companions
Fight alongside AI companions that grow stronger with you. Chat with them, strategize together, and forge a bond through shared adventures.
Create Your Lair
Design your own text-based world. Set the theme, write the lore, and let AI help populate it with content.
Multiplayer
Play with friends in real-time. Form parties, chat, trade, and adventure together across multiple worlds.
Retro Aesthetic
A beautiful faux-desktop interface that feels like playing on your first computer. Pure nostalgia.
Explore Lairs
Discover worlds built by creators, or start building your own.
Mythyros
Sail the wine-dark sea. Earn divine favor. Write your own legend in an archipelago where the Olympian gods are real.
Play Now →Neon Shadows
Cyberpunk noir in a rain-soaked megacity.
Ironhold
Classic fantasy dungeon crawling.
Build Your Lair
Create your own world with AI.
Coming soon →Ready to start your adventure?
Join thousands of players exploring AI-powered text worlds. Free to play, no download required.
Play Now — It's Free