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Underworld Idle
An idle dungeon management game, where high tier units can create low tier units.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“I've always been a fan of idle games and gothic aesthetics, and this game brings those two things together really well. At 150+ hours in currently, I've only prestiged the game twice and I know there are several factions and features that I have yet to unlock. When it comes to…”
— a player, Steam review · 294 hrs played“I don't see stories I see numbers going up Good Game”
— a player, Steam review · 98 hrs played“Has Microtransactions..... an IDLE game with such bad idle grind and no build or variety to it, that has 5$+ Puchasables that show up over time as offers.... Actually gross and barely game ontop of that.”
— a player, Steam review · 4 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-11 13:43 UTC · history via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Version 1.02d
Added a small cross-promo reward related to my new game participating in Stem Next Fest.
My new game, Epic Auto Towers, is joining Steam Next Fest!
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 Wishl
Version 1.02 - Pearls are now not reset on restart
Version 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 ano
Version 1.01 - Small Bugfixes, Special Reward
Version 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 be
Announcement: Epic Auto Towers, auto battler & deckbuilding mix.
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. Purch
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Indie, Strategy, Free To Play |
| Player tags | Idler · Clicker · Casual · Free to Play · Singleplayer · 2D · RPG · Funny · Comedy · Puzzle · Simulation · Strategy (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · In-App Purchases · Steam Cloud |
| Languages | English, Russian |
| Achievements | 8 |
| Estimated owners | 200,000 – 500,000 (SteamSpy) |
Minimum system requirements (PC)
Minimum: OS *: Windows XP, Vista, 7, 8, or 10 Processor: 2 GHz+ Memory: 512 MB RAM Graphics: 128MB DirectX: Version 9.0c Storage: 50 MB available space