Search the whole library
Find packages and files by name, tags, license, source, compatibility, or your own notes.
A calmer way to manage your Unity library
Find the right Unity asset before you build around the wrong one.
GAIN turns scattered packages, project folders, and forgotten downloads into one searchable local library for indie game developers.
Free Windows edition · distributed on Itch.io
One searchable libraryPackages · Projects · Files
Less hunting. More building.
Your asset library should remember the work you have already done.
Stop re-downloading the same pack or opening five projects to find one prefab.
Scan Unity projects
See which assets are already in your projects before you download or buy another copy.
Preview what you own
Browse prefab, model, texture, audio, and animation files without opening every package manually.
Keep the useful context
Save purchase notes, source links, art style, engine versions, and planned use alongside each asset.
Track assets across projects
Connect assets to the projects where they are used so your library stays actionable.
Work locally
GAIN is a desktop library for your files. Your asset catalog stays close to your development workflow.
A simple workflow
From asset chaos to a library you can actually use.
Bring it together
Import packages or scan Unity projects to create a useful index of what you already have.
Add the context
Keep tags, art style, licenses, compatible versions, source links, and planned-use notes nearby.
Find and reuse
Search the collection when the next prototype needs exactly the right asset.
See it in action
A quick tour of GAIN.
See how a local library connects packages, files, previews, and projects.
Built for real asset folders
Browse the files you actually use.
Prefabs
Generated previews, package paths, and project status at a glance.
Textures
Browse texture files, source paths, package links, and project status.
Audio
Keep sound effects and music discoverable, with playback in the Full edition.
Questions, answered
Start with the library you already have.
What can GAIN organize?
GAIN catalogs Unity asset packages and supported files including prefabs, models, textures, audio, and animations.
Do my assets leave my computer?
GAIN is a desktop app for a local asset library. It helps you organize files and project information where you work.
Is there a free edition?
Yes. Download the Free edition from Itch.io and start building your library. The Full edition adds extra capabilities such as audio playback.
Where do I download GAIN?
The current Windows release is distributed through the official GAIN page on Itch.io.
Make your next asset easier to find
Download GAIN Free and build from a library you understand.
Get GAIN Free on Itch.ioThe Windows release is available on the official download page.