Ys IX: Monstrum Nox Cover Art

Ys IX: Monstrum Nox (v1.1.3 & ALL DLC)

RPG 7.02 GB v1.1.3 & ALL DLC 2.7K views

Game Overview

Balduq is a towering prison city where every alley, rooftop, and barricaded district hides another piece of a supernatural conspiracy. Adol Christin arrives as a celebrated red-haired adventurer but quickly becomes one of the cursed Monstrums, fighters marked with strange powers and hunted by the authorities meant to keep order. Ys IX: Monstrum Nox blends brisk action-RPG combat with a gothic urban mystery, trading the series’ usual sprawling wilderness for a dense, vertical metropolis under Romun Empire control. Its mood balances pulpy anime drama, oppressive city streets, and the satisfying momentum of becoming powerful enough to move across the skyline.

Combat is fast, readable, and built around switching between six playable Monstrums, each representing a different damage type and fighting style. Well-timed Flash Guards block attacks without losing momentum, while Flash Dodges reward precise evasions with openings against aggressive enemies and oversized bosses. Every hero also carries a traversal Gift: one runs up walls, another glides across gaps, while others reveal secrets or destroy obstructions, steadily opening Balduq’s locked-off corners. Between story missions, players take on requests for residents, improve equipment and skills, gather materials, and defend the city in Grimwald Nox battles, arena-like incursions where waves of monsters threaten the streets.

What makes the adventure memorable is how closely exploration and character abilities connect; acquiring a new ally does not simply add another combatant, it changes how the city can be navigated. Balduq feels more compact than the open regions of Ys VIII, but its layered rooftops, hidden collectibles, and gradually unlocked districts give it a strong sense of place. The party-based combat retains the series’ famous speed while Boost Mode and special attacks add extra spectacle during difficult encounters. Fans of action-heavy JRPGs such as Tales of Arise or previous Ys entries will find plenty to enjoy, while newcomers can jump in easily thanks to its self-contained story and approachable, responsive combat.

Screenshots

Installation

  1. Select the Download button at the top of this page to open UploadHaven.
  2. On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
  3. When complete, extract the archive to a Ys IX: Monstrum Nox folder using 7-Zip.
  4. Open the extracted folder and start the game normally.
  5. For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.

System Requirements

  • OS: Windows 10/8.1 64-bit
  • Processor: Core i3-2100 3.10 GHz
  • Memory: 8 GB RAM
  • Graphics: Geforce GTX 650 Ti
  • DirectX: Version 11
  • Storage: 10 GB available space
  • Sound Card: Onboard
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Setup Guide & Troubleshooting

How do I fix missing DLL errors for Ys IX: Monstrum Nox (v1.1.3 & ALL DLC)?

After extracting Ys IX: Monstrum Nox (v1.1.3 & ALL DLC), 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 7.02 GB — 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?

Ys IX: Monstrum Nox (v1.1.3 & ALL DLC) requires a Geforce GTX 650 Ti or equivalent. Update your NVIDIA or AMD drivers to the latest version for the best performance.

The game won't launch — what should I try?

Check that extraction completed and your PC meets the system requirements, including Version 11. 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.

Need more help? Browse our FAQ & Troubleshooting Guide for solutions to common issues.
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