Playing now
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All-time peak
110 Sep 2026
| Published | Title | Build |
|---|---|---|
| Bug fixing update Fixed a bug preventing to unlock the Keep the Gold(Hard) achievement. Fixed a bug causing some crossbow trap arrows to explode directly after being shot. | — | |
| New World Updatemajor Underworld Overseer Free Content Update! We are thrilled to announce the release of a new free update for Underworld Overseer! This massive update brings a wealth of exciting new content to keep you on your toes. Explore a New Island This update introduces an entire new island featuring 5 brand-new levels, each with its own hardcore version. Get ready to dive into fresh challenges and test your… | 18112738 | |
| Patch note for build 264 - Fixed an issue preventing the next wave to be spawned if the game was saved and quitted before the first wave. - Tweaked Necromancy hard balacing. - Units will get more happiness back when they eat or sleep or get money. - Fixed an error causing the restart level button to not be present when it should | 17064732 | |
| Update 1 is now livemajor Underworld Overseer Update 1 version 254 Thank you all for playing Underworld Overseer. We are a very small team and your support means a lot to us. We worked hard to fix reported issues and improve balancing based on your feedback. Improvements · The plague doctor is now healing his wounded allies · The plague doctor is now dropping a bottle when he dies · Improved the alarm trap sound and vis… | 16680644 |
| Date | Day | Time | Patch title | Build ID | Branch | Depots | Download Δ |
|---|---|---|---|---|---|---|---|
| 10 Sep 2026 | Thu | 12:08 | No patch notes · unannounced build | 25230416 | android | 1 | — |
| 19 Aug 2026 | Wed | 20:34 | No patch notes · unannounced build | 24794849 | public | 2 | — |
| 18 Aug 2026 | Tue | 10:56 | No patch notes · unannounced build | 24794849 | android | 2 | — |
| 23 Jan 2026 | Fri | 11:09 | No patch notes · unannounced build | 21617244 | public-beta | 1 | — |