Murder Mystery
A game you can only play once in a lifetime.

No game master required!
No preparation required!
Playable in less than 2 hours.
A multiplayer mystery adventure game for 4 players.

Presented by “Ibara Yugi x Hiroyu Project,”
the first digital murder mystery game!

That is,
“PENTALOOP.”

※What kind of game is it?
Players select different characters.
The characters wake up in a room with a corpse.
Through repeated investigation and voting, work together to reach the ending.
But be careful.
There may be a murderer among you who created the corpse.

【Overview】

‘PENTALOOP -Pentaloop-’ is a
murder mystery game for 4 players
that can be played using only a mouse.

All 4 players must own the game and communicate via Discord or other communication tools.
A GM (Game Master) is not required.

Number of players
4

Playing time
1–2 hours

*Our circle creates games with time settings that are easy to play in live streams or broadcasts.

【Important notes】

We welcome live streams of gameplay videos, whether by individuals or companies.
However, please be sure to check the following guidelines.

・Please include the store page URL in the description or other areas accessible to viewers.
• We permit monetization through features provided by video platforms (ad revenue, donations, etc.).
• Streaming or broadcasting content that includes defamation or violates public order and morality is prohibited.
• “Ibara Yugi × Hiroyu Project” shall not be held liable for any damages or issues arising from streaming or broadcasting the game.
・The Twitter (X) hashtag is “#Pentaloop.” Fan art and derivative works are also welcome.
However, when discussing content that contains critical spoilers on social media,
please use tools like Fessetter or Poipik.
・This agreement may be modified without notice, and the modified terms will apply to videos created after the modification.

【Production】

Ibara Yugi × Hiroyu Project

【Credits】

Director: Hiroyu (@hiroyuuuu)
Screenplay: Ibara Yugi (@ibarayugi)
Illustrations: Erisaki (@erisaki_coda)
Editing: Memeko (@memekosanma)
Music: Suzuki Puyo (@SuzukiPuyo)
Programming: RainyDoll (@RainyDollGames)


※If you encounter any issues while playing
If, for any reason, someone's connection is lost during gameplay, everyone's connection will be lost and the game will return to the title screen. However, it is possible to resume from where you left off.
If you encounter any issues while playing, you may try force-closing the game and restarting it.