ex) Dragon Quest VII Reimagined

What is ?

GvasViewer
Unreal Engine Gvas Savedata Format File Viewer

Advance

• Windows 11(or 10)
• .NET 10
• ※ oo2core.dll

Usage

• Prepare GVAS files
• File -> Open
• Using the Tree View

ArrayProperty's Import

You must have at least one property.
Character encoding is UTF-8.
If the first character is a #, skip insertion.
Skip insertion for empty lines.

# skip sample

# insert sample
abc

MapProperty's Import

You must have at least one property.
Character encoding is UTF-8.
If the first character is a #, skip insertion.
Skip insertion for empty lines.
Treat tabs as delimiters.
Skip insertion when the split by the delimiter does not result in exactly two elements.

# skip sample
abc
abc	def	ghi

# insert sample
abc	def

oo2core.dll

• Download EpicInstaller from the Epic Games Store
• Install the Epic Games Launcher
• Install Unreal Engine 5.8.0
• Search for oo2core.dll in the Unreal Engine installation folder
• Copy oo2core.dll to the same folder as the executable file

Build

• Visual Studio 2026

Developer

unique File's Format IFileFormat
implementation this Interface

SaveData Load method
If you want to add a unique structure, you can do so in this file as well