Fantastical Mystery ADV : Ultimate Jumbo Jet Murder Case
Game Overview
Fantastical Mystery ADV: Ultimate Jumbo Jet Murder Case is a fully voiced mystery visual novel starring members of the streamer group Ultimate Jumbo Jet, also known as ARUJAN. HACCHAN, Shijin San, Natsubbit, Takeo, and Mei Hirasaka take part in a real-life werewolf game aboard a luxurious airship, while you experience the event as one of the viewers watching their livestream.
What begins as an entertaining competition suddenly takes a dark turn when one of the participants is found dead. After the livestream ends, you must piece together the clues shown during the broadcast, examine the behavior of each member, and determine what really happened aboard the airship. Every detail could reveal another piece of the truth behind the mysterious death.
Featuring full voice acting from the ARUJAN members, the game combines visual novel storytelling, deduction, and a fantastical murder mystery written by TRPG scenario creator Dizm. Follow the personalities and relationships of the five streamers from a completely different perspective as you unravel the case and discover what fate awaits everyone involved.
Screenshots
Installation
- Select the Download button at the top of this page to open UploadHaven.
- On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
- When complete, extract the archive to a Fantastical Mystery ADV : Ultimate Jumbo Jet Murder Case folder using 7-Zip.
- Open the extracted folder and start the game normally.
- For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Fantastical Mystery ADV : Ultimate Jumbo Jet Murder Case?
After extracting Fantastical Mystery ADV : Ultimate Jumbo Jet Murder Case, navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 339.96 MB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Do I need to run the game as administrator?
Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
Check that extraction completed and your PC meets the system requirements. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.
My antivirus is blocking the game — is it safe?
A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.