A one-hit kill game that embodies tension and a sense of relief.

As you slash away at the waves of defeated warriors, use your inventory to solve puzzles and uncover the secrets of the samurai mansion.

In this cursed mansion in dire straits, can you survive and uncover the truth?

A Puzzle Adventure Like No Other

In this unique blend of puzzle-solving and horror, every item you collect transforms into a polyomino-shaped piece. Use these pieces creatively: solve intricate puzzles, craft tools, unlock paths, or even sacrifice them in moments of desperation. Adapt your strategy and make the most of your inventory—how you survive is entirely up to you.

Face Undead Warriors with Iaido Precision

Explore a haunted samurai residence, where restless spirits of fallen warriors still roam. Engage in intense one-on-one encounters using finely tuned Iaido sword techniques, timed dodges, and parry counters. Overcome fear through skillful slashes that break the tension and offer moments of exhilarating relief.

Video Posting Guidelines

The video posting guidelines for "虚衝 - Kyosho" stipulate the conditions and prohibitions for posting videos and images using this game to online video distribution sites (including live streaming).

If you post videos and images using this game in accordance with these guidelines, there is no need to contact us individually.

*If you are a corporation or other organization and would like to post videos and images using this game, please contact us via the email address listed on the Mutsu Mutsu Project official website.

• Please include the name of the game, "虚衝 - Kyosho" or "Kyosho" in the title field of your video post or live stream.

• Please include the Steam store page URL in the summary or description field of your video post or live stream.

• Monetization is only possible if you use the monetization methods provided by the designated video sharing site (*1) (ad revenue, super chat, tips, donations, etc.). Monetization in other cases is prohibited.

• Mutsu'pro(むつむつプロジェクト) is not responsible for any damage or trouble that occurs during video post or live stream.

• The following content is prohibited from being posted.

  • Anything that violates public order and morals

  • anything that includes religious solicitation

  • anything that significantly damages the value of the game

• These guidelines are subject to change without notice.

*1: Designated video sharing sites (Youtube, Niconico, Twitch, TwitCasting, TikTok)