Event
v1.02dVersion 1.02d
Added a small cross-promo reward related to my new game participating in Stem Next Fest.
Steam
Underworld Idle
Also known as Underworld Idle, steam:1540960, ui
An idle dungeon management game, where high tier units can create low tier units.
Last update
20 May 2026
Players now
155
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- February 2024
- Steam Next Fest brings hundreds of demos for games that have not been released yet. My new game, Epic Auto Towers, demo is also a part of this festival. Install the demo and add the game to your Wishlist! https://store.…Store
- November 2023
- Version 1.02 - Pearls are now not reset on restartVersion 1.02 Pearls and pearl power are now not reset on restarts. Contract of the Drowners now increases the power of sea pearls (previously, this contract allowed you to not reset pearls). Added another special one-ti…
- September 2023
- Version 1.01 - Small Bugfixes, Special RewardVersion 1.01 Fixed some rounding errors during the output. Fixed bugs with portraits in the doppelganger list. Perhaps the bug with the max button for secondary contracts has been fixed (I have not been able to reproduc…
- August 2023
- Hey everyone! I'm excited to announce that I'm making a new game, "Epic Auto Towers"! Epic Auto Towers is a turn-based strategy game combining elements of autobattler, deckbuilder and roguelike. Purchase uncommon and ra…Store
- February 2023
- The game has been released! Release! In general, the core of the game was ready quite a long time ago, but the planned faction of robots, as well as 'hanging' bugs prevented the release from early access. But now the ga…Patch notes
- January 2023
- Offline Boost, Preparing to Exit Early Access, BugfixesVersion 0.71 I'm preparing the game to go from early access to full launch! Full release does not mean that the game will no longer be updated, rather it is a sign that the basic structure of the game is ready. A specia…
- Version 0.70 - More bugfixesVersion 0.70 Fixed a rune prism bug that caused the prism to have no effect on crystal #2. Fixed a bug that caused the warlock contract to not always give 1500 dark mana after restart. Fixed '0' in pearl names. Reset ge…
- Ver. 0.68 - BugfixesVersion 0.68 - Bugfixes Fixed a bug that sometimes caused the game save to be written to the clipboard by itself. Fixed a bug causing energy not being restored offline if the first crystal is not activated. The robot fa…
- Version 0.67A new special offer has been added. It's made as a DLC, so it will have a regional price and will be associated with a Steam account (instead of being associated with a save).
- December 2022
- Game updated! Added robot faction In order to open the robot faction, you need to visit the rusty world. Robots create a resource "Power boost", which, in turn, increases the efficiency of crystals. Robots are not reset…Patch notes
- November 2022
- Version 0.63 - Dark WorldGame updated! Version 0.63 A dark world has been added. The dark world provides a special bonus: activation of each crystal reduces the difficulty of the world. After completing the dark world, this bonus will apply to…
Gallery
In-game media
Achievements
Community progression
Top picks from 8 Steam achievements, sorted by player unlock rates.
- Crystal 1Activate crystal #172.0%
- Crystal 2Activate crystal #260.7%
- Crystal 3Activate crystal #351.9%
- BoilerBlow up the boiler34.1%
- Crystal 4Activate crystal #431.9%
- Crystal 5Activate crystal #525.3%