292 Newly Named Heroes coming for Your Dungeon!
Steam Next Fest has concluded and we wanted to say a huge thank you to everyone that participated in the event! We have had thousands of new demo plays and received 290+ name…
Underground Security Inc
Build the most profitable dungeon while repelling parties of adventuring "heroes". Manage minions, mine ores, build traps and collect ancient tomes in this roguelite meets base defense game.
IndieStrategy
About This Game
Take on the role of a dungeon manager in this roguelike tower-defense meets autobattler. Build out your dungeon by night and defend against parties of adventuring "heroes" by day.
Build traps, deploy minions and cast spells to repel the heroes seeking to "liberate" the treasures of your coffers.
Test your build against the might of legendary bosses.
Grow your workforce of minions and assign them to complete various tasks throughout your dungeon.
Mine for valuable ores to add gold to your coffers
Build and Upgrade traps and buildings to repel heroes
Deploy minions to guard against the next wave of adventurers
Upgrade your minions with useful perks. Create synergies to defend your gold. With a multitude of minions, events, ancient tomes and buildings, each run provides a new challenge with new strategies to explore!
Community Activity
Underground Security IncSteam patch notes- Underground Security IncSteam patch notes
Demo Patch v0.5.9
A small patch addressing some bug fixes: Certain once-per-night tomes such as A Gueux Songbook reset their activation after undoing which can lead to unlimited use of a minion.…
- Underground Security IncSteam patch notes
Demo Patch v0.5.8
Small update to the demo to fix some bugs: Fixed a soft-lock that can occur when pressing "undo" with certain buildings highlighted Fixed an issue where locomotives "Cars" could…
- Underground Security IncSteam patch notes
Demo Patch v0.5.7
Some bug fixes for the demo: Fixed some missing audio effects Fixed the Shapeshifter duplication ability description When rerolling any current shop options are excluded from the…
- Underground Security IncSteam patch notes
Demo Patch v0.5.6
A small patch fixing some bugs: The "Vengeance of the Prince" event now correctly offers 2 levels of bloodlust as a reward The Meditations tomes was not interacting properly with…
- Underground Security IncSteam patch notes
Demo Patch 0.5.5
A small patch with some combat improvements and bug fix: The Traveling Salesfiend event was giving players only copies of buildings they already have (this has been fixed to…
- Underground Security IncSteam announcement
Next Fest Challenge: Defeat the Keeper to Name a Hero for the Full Release!
We are excited to bring you a Next Fest Challenge event as part of our participation in the October Steam Next Fest (October 19 - 26)! A New Challenger... For the duration of the…
- Underground Security IncSteam patch notes
Demo Patch 0.5.3
A quick hotfix for a rare arrow-shooter bug where sometimes the arrows do not fire correctly
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