- 8月27日のアップデート内容(不具合修正) - 27 August 2026
ビルド24972020 Ver.a1.0.6 ・ブラックアウトモードでカードリーダーが出現しない不具合修正 ・デバッグモードが有効になっていたため修正 ・6キーで武器をしまうことができなくなっていた為修正 ・現在は新チャプターに向けてチャプターイメージ追加 ・ライブラリアセットのキービジュアルを変更
- May 12 Update Details (Ver.α.1.0.6) - 12 May 2026
Build: 23198089 Ver.α.1.0.6Performance ImprovementsAdjusted high-load materials and water surfaces to toggle visibility based on player distance.Simplified interactive water surface processing.Added additional lighting.Other bug fixes.
- May 2nd Update Notice - Build: 23055793 - 2 May 2026
May 2nd Update Notice - Build: 23055793Ver. α1.0.5- Implemented Survival Mode Toggle (Experimental) A new Survival Mode has been added, where hunger and thirst levels decrease over time. You can now pause the depletion of these levels using the "Survival Mode" toggle button within the pause menu. Please note that this setting is not saved between sessions. Survival Mode is ON by default and can be toggled at any time during gameplay.- Performance Improvements and OptimizationsRemoved unnecessary light objects.Reduced processing load for interactive water surfaces.- Regarding Unreal Engine 5 SM6 Support Currently, the SM6 shader material is only supported on NVIDIA GPUs. On certain Intel and AMD GPUs, lighting effects emitted by materials are not rendering correctly, resulting in a dark screen.At this time, there is no workaround for users, and the game will appear dark on unsupported ha…
- Update News: April 28 [Ver. α1.0.5] - 28 April 2026
Build 22994423 The new version is Ver. α1.0.5.Fixed Y-axis camera controls and character animations in FPS view.Players can now look directly downward in FPS view.Previously, incorrect bone rotation settings prevented players from seeing their feet.Additionally, the camera will now automatically snap to look at the feet when the Y-axis exceeds its lower limit.Added new attacks for the Chapter 2 boss, "JapaneseDoll."Adjusted overall game post-processing and lighting.This update adds material reflections to walls and objects.Adjusted the implementation of interactive water surfaces.Water now ripples in response to the physics collisions of Natsu and walking enemies.Other miscellaneous fixes and improvements.
- April 14 Update (Minor Update) - 14 April 2026
Build 22782726 The new version is Ver. α1.0.4. Fixed various issues reported via the official P4ST3L Discord. Updated UI compatibility for monitors with aspect ratios other than 16:9. Fixed an issue where players could fall through walls and die. Fixed a bug where players could perform the "draw weapon" action with the 6 key even if no weapon had been picked up. Fixed an issue where switching between FPS/TPS modes was possible while the PIN code or ammo generator menus were open. Temporarily disabled the Progress Level display in the Chapter Menu. Adjusted FPS camera controls for the "LiveRecorder" chapter. Added natural recovery for the Bleeding debuff (bleeding now stops when HP is 5 or below). Fixed a bug where the gas mask and drone from Costume 3 (Hazmat Suit (Lightweight)) would not disappear after changing clothes. Revised control logic for the Chapter 1 Boss "Bacteria" to preven…
- January 27th update (supply supplies added, animation fixed) - 27 January 2026
Build 21666108/Ver. α1.0.3 - Added supplies to maps in Chapter 1 and Chapter 2. - MRE rations, drinking water, and broken drones are available from the start of the game. - They do not appear in Blackout or Hard Mode. - Fixed character animations. - Added Kickstarter backer content (credits and hidden messages). - Updated the version to α1.0.3.
- January 25th Update - 25 January 2026
Build 21638450/Ver.α1.0.2 - Added Kickstarter crowdfunding supporter content (hidden messages, name in credits).
- Fixed DLC_DigitalArtBook issue - 13 January 2026
We were experiencing an issue where the DLC Digital Artbook could not be viewed, but this has now been resolved. We apologize for the inconvenience.How to view it:Steam Library → Right-click P4ST3L → Properties → DLC → Check ArtBook.Restart Steam → Right-click P4ST3L → Browse Local Files → The PDF file will be added to the Artbook folder.
- January 3rd Update (Achievement System, etc.) - 3 January 2026
Build 21370059/Ver. α1.0.2 - Added an in-game achievement system. This will provide an advantage in unlocking future content. While it's still undecided, it will also be linked to Steam achievements. - Other minor fixes.
- January 2nd update (animation fix) - 2 January 2026
Build 21364202/Ver. 1.0.2 - Fixed reload animation in FPS view.
- Demo version update on December 30th - 30 December 2025
The demo version has been updated to version 1.0.2 to match the early access version.- Fixed the SFX volume saving system.- Added landing SFX.- Other fixes.
- December 29th Update Notice (Bug Fixes and More) - 29 December 2025
Build 21336790/α1.0.2 - Fixed the save reference source for SFX volume. - Fixed the VHS effect disable state to be saved and inherited between levels. - Added SFX for jumping and falling. - Added names of Kickstarter backers.
- December 28th update (save system fix) - 28 December 2025
Build: 21329303/α101 - Fixed the save/load function. - Fixed the camera sensitivity settings for mouse input and the BGM and SFX volume settings, which were not loaded at the start of the game. - The current camera sensitivity value is now displayed.
- December 27th update (bug fixes) - 27 December 2025
Build: 21323697 Ver: α1.0.1 - Fixed an issue where the UI would become inactive and become uncontrollable when using the smartphone, slide, etc. - Fixed an issue where the costume change menu would become inactive and unable to be dismissed when opened. Other adjustments - Changed the conditions for selecting stages such as Chapter 2. - Now you can start higher-level stages even if you have not yet cleared the Chapter 1 expansion map. - Slowed down the rate at which hunger and thirst levels decrease. - Other minor adjustments.
- Demo version update announcement December 25th - 25 December 2025
Thank you everyone for trying out the P4ST3L demo! This is developer UsaginO.This build: Build:α1.0.0 (Build ID 21312099)The following updates will be made:- The demo map has been restricted in preparation for the Early Access release.To differentiate it from the full version, including Early Access, Chapter 1 will only be available up to level 4.Access to the chapter menu has also been restricted.We have many updates planned for P4ST3L Early Access, so we appreciate your continued support.Developer: UsaginO
- Demo version update announcement - 12 December 2025
Thank you everyone for trying out the P4ST3L demo! This is UsaginO, the developer.This build: Build:α1.0.0The following updates will be made:- The demo map will be limited in preparation for the early access release.The game stage has been limited to Chapter 1 only. The demo allows you to switch between the Chapter 1 short map and the expansion map. The difficulty level will be normal or hard mode. The prologue and Blackout (Chapter 1) are no longer accessible in the demo.Please enjoy the prologue, Chapter 2, and Blackout modes in the early access release.- A swimsuit system has been added.You can now change Natsu's appearance. An NPC called a Duck Battler will be placed on the expansion map levels. Earn DUCK points by defeating enemies, reaching the goal, and collecting DUCKs scattered around the world. Once you have earned enough points for a swimsuit, you can change into it.More cost…
- Official Discord server launched - 11 December 2025
https://discord.gg/vB2mVTkSWe've created an official P4ST3L server.We'll be adding channels for bug reports, improvement requests, real-time feedback, and dedicated channels for crowdfunding backers.Please join us!
- Demo version update announcement - 5 October 2025
Thank you everyone for trying out the P4ST3L demo! This is developer UsaginO.This build: Build:D_TGD101The following updates will be made:- Added Blackout mode to Chapter 1.You can play by selecting Blackout from the second page of the Chapter menu. There are no start conditions. This is a high-difficulty mode with a high level of fear, featuring resource management and suspense.- Nils Energy Hub Press Release"Dear guests at the Energy Hub, due to a high demand for electricity, the pool area on the top floor is currently temporarily closed. We are also conducting facility maintenance and are currently undergoing a planned power outage. Therefore, in addition to the pool area on the top floor, we offer a variety of shopping and hotel activities. We hope you enjoy your time here."- Other updatesChapter 2 is currently undergoing significant expansion in preparation for its Early Access rel…
- Expansion maps and custom mode with selectable difficulty levels - 29 June 2025
Thank you for playing the demo version of P4ST3L! I'm Usagi, the developer.This build: Build:D_TGD901The following will be updated.-Implemented custom modeYou can now choose between map expansion and high difficulty mode. A checkbox has been placed in the upper right corner of the chapter menu.If you ☑ map expansion, the map will expand. If you ☐, you can play the short version of the map.If you ☑ hard mode, you will enter high difficulty mode.-Differences between map expansion (EXPANED MODE) and the short versionIf you select map expansion, certain card readers will appear randomly on the map. There are also fixed card readers. You will be able to go to places that you could not go to in the short version.-Differences between high difficulty mode (HARD MODE) and normal difficulty modeIf you select hard mode, you will not be able to revive when you die, the amount of damage you take wil…
- Notification of bug fixes - 21 June 2025
Thank you for playing the demo version of P4ST3L! I'm Usagi, the developer.This build: Build:D_TGD8The following will be updated.-Improved to force close the widget when attacked while viewing logs or notes.As a result, if you died while reading a note, the UI for notes, memos, etc. would remain displayed even after you returned.-If you select "Restart from checkpoint" when you die, you will restart from the starting point. Your access level and items will be carried over. In the future, we plan to limit the number of times you can revive and whether you can do so depending on the difficulty level.-Implemented settings for BGM volume and sound effect volume. You can change them from the pause menu.-Increased the speed at which thirst and hunger decrease. If thirst and hunger fall below 49 without eating or drinking, your maximum stamina value will decrease. Stamina recovery will only re…
