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Watch trailer on Steam ↗Mental Hellacious
MoreNEWttoStudio · Published by MoreNEWttoStudio
5 user reviews — 60% positive (5 reviews) · 6 achievements
Last updated 28 Sept 2026
【Experience a New Sensation! A Novel Action Game】 The Most Difficult Action Climbing Game Hold to adjust jump distance simple controls. You'll likely fail countless times before mastering the jump. A single moment of error can ruin everything. Enjoy the experience the process of improving.
£11.79
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Price history
Action, Adventure, Indie · 2024 · More £5 - £15 games
Embark on a relentless journey through treacherous levels where every misstep means failure. In Mental Hellacious, your goal is to conquer the most difficult action climbing game with simple controls but unforgiving precision required for success.
About this game
【Experience a New Sensation! A Novel Action Game】
・The Most Difficult Action Climbing Game
For those of you who are no longer satisfied with ordinary mountain climbing games
Extreme challenges await you. The seemingly simple goal of climbing is the ultimate test!
・Just Keep Going Up!
There is only one goal: the path to the top!
・Build Up Your Power and Unleash It!
Press and hold to adjust your jump distance and release at the perfect moment! You'll likely fail countless times before mastering the jump.
・One Mistake and All Is Lost!
A single mistake can ruin everything, creating a heart-pounding tension.
・Concentration is Key
Focus all your energy and move forward step by step.
・End of the game Save Only
Player's progress can be saved only at the end of the game. You cannot load from any point. Retry as many times as you need, carving your path with determination!
・An Addictive Challenge!
Though simple in action, this game requires skilled techniques. Enjoy the challenge and experience the process of improving.
Supports VRM Files:
Use your avatar the protagonist and dive into the adventure world! (Humanoid avatars are recommended. Correct animation is not guaranteed for all avatars.We recommend that you check the operation with the trial version before purchasing.)
・ Feel free to stream live gameplay.
※The demo version currently exists only to verify VRM and VRoid Hub model loading behavior due to bug issues. Please note that you will not be able to play it.
【Story】
Alone in a village shrouded in fog, there is no sign of life. In a world where no one exists, it never occurred to him that there could be anyone else.
...Until this moment.
One day, a toy bear fell from the sky. It brought a shake to his lonely daily life. Could there be someone else in this world besides him?
The protagonist begins his adventure high up in the sky. What lies beyond the fog? He seeks the answer.
During his journey, the records of those who once aimed for the sky to escape the fog appear before him. Following in their footsteps, he seeks the truth, wondering if there is still someone or something alive in the sky.
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows10
- Memory: 8 GB RAM
- Graphics: \
- Storage: 9 GB available space
Recommended
- Requires a 64-bit processor and operating system
Supported Languages
*languages with full audio support
Latest news
Patch NotesOfficial
About Known Bugs/About Demo Version/11.30Fix
Bug Fixes ・Fixed certain areas where the collision did not match the appearance. Adjustments were made to ensure proper collision settings. Difficulty Adjustments To make the early routes easier, the following changes were implemented: ・Adjusted the starting position for cut-ins. ・Added hint text to guide players. Adjusted the positions of objects along the route beyond the Torii gate. About Known Bugs When starting in VRM mode, there is an issue where input and movement directions may become reversed on the initial screen (the house entrance) where you check your avatar. This issue is more likely to occur when using heavy VRM files that take longer to load. Leaving the house and starting the game will restore normal behavior. If you encounter this issue on the avatar confirmation screen, we apologize for the inconvenience and ask that you proceed to the door and step outside to resolve it. About Demo I’d like to provide an update regarding the demo version. In fact, this demo was created quite some time ago, and over the past two weeks of being available, many bugs have been discovered. Among them, a critical bug was found, but due to limited time and resources, we were unable to rebuild the demo's stage, which led us to significantly restrict access to the stage. The main purpose of the demo was to allow users to test the import functionality for VRM models and VRoidHub models. Therefore, we wanted to avoid taking the demo offline, and instead, it remains available with limited functionality. Currently, in the demo, you can only walk on the ground.Read full article on Community Announcements (morenewtto)Patch NotesOfficial
VRMファイル、VRoid Hubの読み込みシステムのアップデート
VRMファイル、VRoid Hubの読み込みのためのシステムのアップデートを行いました。 今回のアップデートにより、以前使用できていたVRMモデルが使用できなくなった場合 Steamオプションの【ベータ】より、【legacynotrecommend】を選択することで このアップデートを行う以前のバージョンでプレイして頂けます。 今後旧システムのアップデートは基本的には行わない予定のため、問題がなければ最新版の利用を推奨します。Read full article on Community Announcements (morenewtto)Patch NotesOfficial
プレイ体験の向上
Steam実績（Achievement）を実装しました。 前回終了時に保存された音量設定が起動後、コンフィグ画面を開かないと反映しない問題を修正いたしました。Read full article on Community Announcements (morenewtto)Patch NotesOfficial
About Demo Version
I’d like to provide an update regarding the demo version. In fact, this demo was created quite some time ago, and over the past two weeks of being available, many bugs have been discovered. Among them, a critical bug was found, but due to limited time and resources, we were unable to rebuild the demo's stage, which led us to significantly restrict access to the stage. The main purpose of the demo was to allow users to test the import functionality for VRM models and VRoidHub models. Therefore, we wanted to avoid taking the demo offline, and instead, it remains available with limited functionality. Currently, in the demo, you can only walk on the ground.Read full article on Community Announcements (morenewtto)Patch NotesOfficial
快適にプレイするための修正
感度と音量の設定が保存されるようになりました。Read full article on Community Announcements (morenewtto)
