UNDERDEEP game cover

UNDERDEEP CD Key

UNDERDEEP is an idle RPG of dungeon exploration and mapping in a gritty fantasy world. Create a character, grow through diverse jobs, collect 500+ items, and customize skills for your build. Explore manually or auto-run, mark locations, and encounter others asynchronously. Your choices shape karma and destiny.

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Release Date

30 Oct, 2026

Publisher/Developer

UNDERDEEP, Hakony

Reviews

Steam: -
Metacritic: -

UNDERDEEP description

UNDERDEEP

UNDERDEEP is an idle RPG that invites you to descend into a sprawling dungeon, map its corridors, and grow stronger with every step. Set in a gritty, immersive fantasy world, it blends the timeless appeal of classic RPGs with modern idle mechanics, offering a thoughtful and deeply customizable journey through shadowy depths.

Character Creation: Your journey begins by naming your character, choosing a visual style, and stepping into the unknown as the one who represents you. This is the heart of your adventure, the figure who will face peril and seize opportunity in every chamber.

Flexible Job System: Start as a Newbie and evolve through a diverse slate of roles—warrior, rogue, ruler, or crafter. Your growth shapes the path you take, delivering a highly adaptable progression system where gear, choices, and encounters bend your build to your evolving strategy.

Mapping and Exploration: Mapping lies at the core of the experience. Locations are automatically recorded as you explore, and you can place your own custom markers to remember important spots. Your observation and note-taking are the keys to successful expeditions, turning each run into a knowledge-gathering mission as well as a combat challenge.

Loot and Gear: Delve deeper to uncover over 500 unique items—weapons, armor, accessories, and more. Use your gear strategically to conquer increasingly dangerous, richly rewarded areas, building a loadout that complements your chosen playstyle.

Skill Customization: Craft your own strategy with distinctive skill combinations. Some abilities synergize powerfully, enabling dramatic boosts and unexpected tactics. Build your ultimate kit and conquer the depths on your terms.

Idle-Friendly Play: Balance hands-on control with automation. Choose between manual or auto actions during exploration, set your strategy beforehand, and let your character continue advancing even when you’re away. Perfect for players who want steady progression without grinding.

Lightweight Asynchronous Multiplayer: You may encounter characters created by other players within the dungeon. Customize dialogue and behavior settings to shape these spontaneous meetings. Enjoy a relaxed, asynchronous multiplayer experience that connects you without pressure.

Karma System: Your behavior in the dungeon shapes your karma. Will you walk the path of light or descend into darkness? The choice is yours, and it colors every decision you make.

Prologue: In a shadowy forest near the royal capital, a mysterious dungeon erupts into the world. A nameless man exits its depths clutching a chest of gold, and whispers of a legendary treasure reach mercenaries, knights, and adventurers alike. Now you stand at the entrance—ready to seize your destiny or be consumed by the darkness.

Key Features
  • Deep dungeon mapping with custom markers
  • Huge variety of jobs and flexible progression
  • Over 500 unique items to collect and equip
  • Synergistic skill systems for tailored builds
  • Idle and active gameplay modes
  • Asynchronous multiplayer encounters with other explorers
  • Karma-driven choices shaping your path