Escape from “Yomi” – a dungeon filled with riches – and danger.
You have been recruited into the Undernauts – a team of brave subterranean adventurers who comb the depths of a massive, monster-infested labyrinth in search of priceless resources.
Make use of your powerful skills and magic items to create exits and reach the surface alive.
As a Dungeon RPG, the player must dive through many dungeon levels and move through a grid system to find the correct path to proceed.
Players create a party of 6 in order to fight battles and level up while proceeding through the game's storyline.
Use the "Switch Boost" system to defeat hordes of monsters and create magical doors, ladders, and bridges to escape.
Make use of powerful skills and magic items to reach the surface alive.
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-07-20
Our Way of Saying Thank You
Great games are nothing without loyal gamers and we're grateful to have such an amazing community that supports our store. That’s why we’re launching our special “YUPLAY Is Feeling Generous” campaign as a way of saying “Thank you”. During this campaign, with every order over €30 you will receive a free 10% discount code that can be used during your next purchase…
The FIFA World Cup 2026 is coming in hot this summer and while these coming weeks it is all going to be centered around the best game in the world of sports, we decided to bring you a dedicated YUPLAY giveaway to commemorate the occasion together! This promotional giveaway campaign invites all of our followers to try and predict the exact final scores of selected matches from the World Cup…
