🧠Persistent NPC Memory·🌍Living World EngineΒ·βš”οΈHigh FantasyΒ·πŸŒ†CyberpunkΒ·πŸ‘οΈHorrorΒ·πŸ—‘οΈDark FantasyΒ·πŸš€Sci-Fi·🀠WesternΒ·πŸ“…Scheduled World EventsΒ·πŸ“œSession Chronicles & ExportΒ·πŸ”Session Recaps on ReturnΒ·πŸ•ΈοΈNPC Relationship Webs·🏰Player Communities·⭐9-Rank Community Rating·🌐AetherNet Global Hub·🎭Custom Genre SupportΒ·πŸ€–Multi-Model AI EngineΒ·πŸ“¬NPC Postcards & Inbox·🧠Persistent NPC Memory·🌍Living World EngineΒ·βš”οΈHigh FantasyΒ·πŸŒ†CyberpunkΒ·πŸ‘οΈHorrorΒ·πŸ—‘οΈDark FantasyΒ·πŸš€Sci-Fi·🀠WesternΒ·πŸ“…Scheduled World EventsΒ·πŸ“œSession Chronicles & ExportΒ·πŸ”Session Recaps on ReturnΒ·πŸ•ΈοΈNPC Relationship Webs·🏰Player Communities·⭐9-Rank Community Rating·🌐AetherNet Global Hub·🎭Custom Genre SupportΒ·πŸ€–Multi-Model AI EngineΒ·πŸ“¬NPC Postcards & InboxΒ·

Interactive Preview

NPCs That Remember

The Engine traces every interaction. Every conversation has history. Every betrayal has consequences. Every kindness opens a door.

Live Demo

NPCs That Actually Remember You

Every NPC tracks your history. Your choices follow you β€” session after session.

aether-engine β€” Eldenmoor
NPC memory active
Y

NPC memory: Past sessions referenced in this conversation

Powered by Aether Engine

Architecture

Built Different

Dive into the core infrastructure that powers your world. The Engine runs continuous background simulations.

Interactive Preview

Feature Spotlight

Living World Engine

Your world evolves between sessions. NPCs age, politics shift, seasons change β€” all without you present. The Engine runs continuous background simulations powered by Claude AI.

aether-engine β€” world-terminal
[WORLD ENGINE] β€” Cycle 4,821 β€” Eldenmoor
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
β–Ά SEASON: Late Autumn β†’ Winter approaching
β–Ά POLITICS: Duke Aldren consolidates eastern provinces
β–Ά ECONOMY: Iron prices +34% after mine collapse
β–Ά EVENTS: 3 new conflicts, 1 resolved
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
β–Ά NPC UPDATES: 14 characters aged / moved
β–Ά WORLD AGE: 3 years, 7 months since creation
Engine active β€” next cycle in 00:03:22

Living World Engine

Your world evolves between sessions. NPCs age, politics shift, seasons change β€” all without you present.

NPC Memory System

Every character remembers your history. Betray a merchant, and word spreads. Earn respect, and doors open.

Persistent World State

Leave mid-quest and return weeks later. Your world waits exactly as you left it, every consequence intact.

Multi-Genre Support

High fantasy, cyberpunk, horror, western β€” the Engine adapts its tone and world logic to any genre.

Scheduled Events

Set coronations, migrations, or eclipse rituals on a real calendar. The world runs on its own schedule.

Founder's Dev Tools

Access world state JSON, NPC relationship graphs, and event logs. Shape your world with precision.

Ready to start shaping the simulation?