Game update3 Oct 2025Bug Fix v2.0.0.2※ You cannot match with players using a different version. Please update to the latest version (network version shown at the bottom left of the title screen as v2.0.0.2) before playing. v2.0.0.2 Update Details Tutorial (Recruitment Test) Made Easier · Improved the guidance to make it easier to understand how to enjoy the game, which was previously unclear · Removed certain overly-lethal traps t…
On September 24, a massive update is coming to UNDERWARD! The update is titled: 『UNDERWARD: LASTBOSS, Genius Gyaru Doctor』!! This update, which adds the new mode “CHAOS,” is packed with so much content that you might think: “Isn’t this basically a new release?” ◆ New Mode: “CHAOS” “CHAOS” is a clear-type mode consisting of 6 floors. In addition to the existing abandoned hospital, three new maps…
※ You cannot match with players using a different network version. Please update to the latest version (v1.2.0.0 shown at the bottom left of the title screen) before playing. Update Details for v1.2.0.1 ■ Cross-Platform Play Support Online play with platforms other than Steam is now supported. If you wish to restrict crossplay, you can configure this using the “Crossplay” checkbox on the room s…
※ You cannot match with players using a different version. Please update to the latest version before playing (the network version shown in the bottom left of the title screen should be v1.1.0.3). Update Details for v1.1.0.3 Fixed an issue that was causing frequent crashes on startup. If the game still crashes on startup after the game update, please check to see if your PC meets the minimum sy…
■ DLC Now Available "UNDERWARD - Gorgeous Uniform and Aura for Supporter" and the bundle "UNDERWARD: Supporter Edition" are now available! For more details, please visit the DLC store page . Equip a luxurious “Special Uniform” and a stunning “Special Aura” to make your adventure even more dramatic. Purchasing this DLC is also the best way to support the future development of UNDERWARD. Thanks t…
※ You cannot match with players using a different version. Please update to the latest version (v1.1.0.2 shown in the bottom left of the title screen) before playing. Update Details for v1.1.0.2 ■ SUBJECT Library Feature Added You can now access detailed information, flavor text, retrieval count, and retrieval rate for collected «TEST-SUBJECT» from the title screen after this update. With this…
※ You cannot match with players using a different version. Please update to the latest version before playing (version v1.0.4.0 is displayed at the bottom left of the title screen). What’s New in v1.0.4.0 Gamepad Support · Gamepad support added (If it doesn't work properly, go to Steam Library > UNDERWARD > Properties > Controller, and make sure "Use default settings" is selected.) · A dedicate…
※ You cannot match with players using different versions. Please update to the latest version (v1.0.3.2 displayed at the bottom left of the title screen) before playing. Update Details for v1.0.3.2 New Features in General Settings · Added an option to toggle item slot cycling loop (ON/OFF) · Added an option to switch between Toggle or Hold for Sprint · Added an option to switch between Toggle o…
※ Players with different game versions cannot match with each other. Please update to the latest version before playing. (Version number displayed at the bottom left of the title screen: v1.0.3.1) Update Notes for v1.0.3.1 Fixed an issue where the game would crash on startup for PCs that do not support FSR In the previous update, we changed the upscaling feature (FSR) to be enabled by default t…
Note: Matching is not possible with different versions. Please update to the latest version (v1.0.3.0 displayed at the bottom left of the title screen) before playing. --- Update Details for 1.0.3.0 Major Feature Additions Reconnection Feature (Experimental) - Players who unexpectedly leave the game can now reconnect from the title screen. → Due to strong demand, we have implemented this featur…
※ You cannot match with players using different versions, so please update to the latest version (v1.0.2.0, displayed in the bottom left corner of the title screen) before playing. Update Details for 1.0.2.0 · In solo play, a respawn system has been implemented, allowing players to respawn at the elevator after being captured. · The item inventory limit in solo play has been increased to 6 slot…
※ You cannot match with players using different versions. Please update to the latest version (v1.0.1.2 as displayed at the bottom left of the title screen) to play. Update Details (v1.0.1.2) · Added a mic mute toggle button (default: M key) · Added push-to-talk mode (can be changed in options; after changing, the default key is T while holding) · Updated in-game UI to reflect the above changes…
※ You cannot match with players using different versions. Please make sure to update to the latest version before playing. (The version displayed at the bottom left of the title screen should be v1.0.1.1) Update v1.0.1.1 · Fixed item-related issues that were causing some crashes. · General performance improvements. (Due to this adjustment, capsules that are not being carried may appear to warp.…
Thank you all for playing UNDERWARD. We have received feedback through reviews and inquiries about the game "force closing" during play, and we would like to provide an explanation and workaround for this issue. Workaround This game was developed using UE5 and requires higher system specifications . Additionally, during multiplayer, the host (room creator) has a heavier load due to the amount o…
※ You cannot match with players using different versions. Please make sure to update to the latest version before playing. (The version displayed at the bottom left of the title screen should be v1.0.1.0) Thank you for playing UNDERWARD. With your support and passionate feedback, our development team is highly motivated to continue updating the game. Update v1.0.1.0 · Enabled cross-region (diff…
Thank you all for your purchase. We have received reviews and feedback, and one concern raised was that players from different regions are unable to play together. We have been investigating this issue and have now identified a solution. If all goes well, we plan to release a fix as early as tomorrow. We sincerely apologize for any inconvenience this has caused. We appreciate your patience as w…
Collection of materials available for gameplay distribution and video creation We have prepared image materials (e.g. title logo) that can be used for delivery and video thumbnails. Please use them if necessary. ･Cover ･TitleLogo ･Without logo ･BackGround ･Investigators Guidelines for Streaming and Video Content We welcome and allow both Individuals and corporate entities to stream and monetize…
This collection of test play clips will give you an idea of what Underworld is all about! Please keep in mind that this is a test-play clip from about 1~2 weeks before the game was released, so there may be some differences from the production version.
—
Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.