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100% positive of 16 · Positive · Live from Steam
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Swarms of giant insects has appeared in the underground world "Agartha"! Defeat swarms of mutated insect monsters with multicast weapons/spells by your own party of customized characters! This is a casual turn-based tactical RPG with a focus on exhilaration and hack-and-slash system.
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Review score: 100% on 2026-11-01 → 100% today (16 reviews)
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Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
As already reported in the news, security vulnerability has been discovered in Unity game engine. Since this game also uses Unity, we have replaced the objects with clean-built ones using security-patched Unity (2022.3.62f2). Additionally, we performed the fol…
Following the previous update (see below), proceeded to translate the untranslated texts into English. https://store.steampowered.com/news/app/2603860/view/4599951478185432388 With this update, the story (in message window) and end roll are now available in En…
Some untranslated texts were translated into English. (Message windows in Mission 20, 27, 34, 37, 38.) On the next update, mission 39, 40, and end rolls will be translated. Overview texts for equipments (weapons/armors) and missions will be further later. Plea…
Added "Open Save Folder" menu to Option screen. If time permits, we would like to support multiple saved data files in a future update. For now, we have tentatively added the menu to open the location of the folder where the saved data file is stored on the Op…
Modified the NPC's AI algorithm so that friendly-fireable weapons/magics are used even when there are only ally units around. This update only affects the AI algorithm of the NPC Mage Infantly who uses the suicide spell "Manner Mode α" in the Mission 13 "Recit…
Added "READY" blink notifications before starting each wave when "Viewed Event" setting is "View" (including when the mission has not been accomplished). This feature was made to prevent accidental misfiring of weapons with friendly fire (e.g., "Blast/Multi-Ca…
This game "Underground Defense Force" (UDF) is participating in Turn-Based RPG Fest! We hope you'll take this opportunity to pick up if you are interested! https://store.steampowered.com/app/2603860
In collaboration with Flying Panjandrum, whose motto is to create "unserious but serious" games, we have released a SLG bundle! This unserious but serious title, "Underground Defense Force", is also included in this bundle, giving a 20% discount on the total o…
A new difficulty level "IMPOSSIBLE" which can only be challenged by players who have completed INFERNO, has been released formally and now available as v1.2! If you have already played IMPOSSIBLE level in beta branch, as described in previous announcement (bel…
This update is to the beta branch of IMPOSSIBLE difficulty, as described in the previous announcement (below). https://store.steampowered.com/news/app/2603860/view/4220517501581638441 Changes (v1.2beta => v1.2beta2) The IMPOSSIBLE game balance has become even …
A new difficulty level "IMPOSSIBLE" which can only be challenged by players who have completed INFERNO, will be officially released at the next update. Currently, in the process of adjusting the balance, and not fully tested, but decided to release it tentativ…
Yakuentei's indie games (including this game) are participating in Steam Summer Sale! We hope you'll take this opportunity to pick up if you are interested! https://store.steampowered.com/app/2603860 https://store.steampowered.com/app/2166220 https://store.ste…
We have completed the implementation of "Blur Cockroaches" as announced in yesterday's news! https://store.steampowered.com/news/app/2603860/view/4209254069393094342 If you don't want to see cockroaches as they are, let's try switching the "Blur Cockroaches" t…
I, the author of this game, am happy to see various reactions on SNS such as X (Twitter)! Now, we have received comments from some Japanese users that it is painful to see the "cockroaches", or at least an option to apply blur to them, or etc. Therefore, we ar…
UDF! UDF!! Yakuentei's new work SRPG "Underground Defense Force -Sword and Sorcery and Swarm of Insects-" has just been released! Offering a launch discount (10%) for two weeks starting today! Let's beat giant swarm of insects! Get XP and weapons as rewards! A…