Planned Release Date: October 2026

About This Game

What kind of game is this

The Return of Illunes is a text-driven, hardcore turn-based roguelike RPG. Pick a class and subclass at your base, recruit companions into a party of up to four, and descend into the dungeon. At every fork you choose a node — battle, elite, shop, rest, trader or adventure event — going deeper until a boss blocks the floor. When you fall, the run ends, but relics, class unlocks and permanent upgrades carry into the next one.

The big one: an AI lives inside the game

A full language model ships inside the game and runs only on your PC. No internet, no servers, no subscription, no token fees. Every feature works on a plane.
The AI writes each run's story and content on the spot. Go down the same dungeon twice and you will never get the same run.

What the AI creates — content that exists only here

• Run Bible — goals, threats, boss hints and the mood of this run, written fresh. "A misty manor ruled by the swamp puppeteer."
  
• Synergies (3–5 per run) — run-defining rules like "fire attacks inflict bleed" or "crits reset cooldowns", new every time.
  
• Oaths — brutal bargains like "no healing, but +30% attack", woven by the AI.
  
• World Mutations — "enemies explode on death", "shops half price, no resting" — twists that bend the whole board.
  
• Subclasses — "Silent Butcher", "Priest of the Ash Scripture" — practically endless variants.
  
• Gear, relics and skills — names, lore and derived skills authored by the AI. No loot drops twice. Numbers and rewards are set by the game's rules.
  
• Enemy loadouts — the same goblin arrives with a different skill set, redesigned for your party and threat level.
  
• Battle and exploration narration — every turn's outcome and every node's scene, described live.

Free action: type what you want to do

If it isn't on the menu, write it. "Cut the chandelier loose." "Set the cobwebs on fire with the torch." The AI judges your action as ordinary, clever or game-changing, narrates the result, and the verdict changes the actual outcome of the fight. Sometimes ingenuity beats the numbers.

Game systems

• 4 classes × 3 subclasses + AI-generated subclasses — practically unlimited builds
  
• Party of up to 4, turn-based — auto/manual switching; combos, synergies, oaths and mutations interlock every turn
  
• Branching node dungeon — battle, elite, shop, rest, trader, adventure events; a boss on every floor
  
• Threat system — the more game-changers you pull, the more the world watches you
  
• Meta progression — permanent upgrades, relic vault, class unlocks, achievements
  
• On-device AI models for English, Korean and Japanese; other UI languages use the English AI

What makes this AI different

• Fully offline — nothing leaves your machine
  
• One purchase — no subscription, no token fees
  
• Every generated line passes a check before it is shown

HyperCLOVA X SEED Model is licensed under the HyperCLOVA X SEED Model License Agreement, Copyright © NAVER Corp.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

Pre-generated: Some 2D illustrations and the pre-recorded narration were produced with AI tools and reviewed by the developers before inclusion.

Live-generated: An on-device language model (no internet connection) writes in-game text such as narration, dialogue, and the names and lore of items, relics and skills, and selects among game-defined options for certain run content. Damage, stats, difficulty and progression are governed by the game's own rules. Generated text is checked before it is shown, and no art or audio is generated at runtime.