Persistent Asset: Inspector-Driven Save Framework

Website | Quick Usage Guide | How It Compares | Demo

Persistent data should feel like a native Unity object, not a separate save system you have to design around.

Persistent Asset lets you create project assets whose content persists between play sessions.

They load and save on their own by default, and each one comes with a manager you can configure to fit your game's needs.

No save logic to write

All the complex machinery is hidden away. Access advanced features with just a few clicks in the Inspector, letting you focus on your game.

You keep full control

Trigger or monitor any operation through a clean C# API, directly from the Editor, from a debug menu, from components, and more. The package is designed to be extensible, so you can take over as much as you like.

No forced workflow

Designers tweak values, programmers read them in code, and tool engineers extend the system. Everyone can work the way they prefer on the same objects. Because Persistent Asset is deeply integrated into Unity, no visual scripting is required.

Built to scale with your project

Get set up in no time and add features as you need them. It comes with everything you need to support a full release and beyond, so you won't outgrow it.

FEATURES

• Workflow: save your classes, ScriptableObjects, scene objects, Inspector-authored variables or Prefs-style keys, with no code or through a clean API.
• Capabilities: autosave, save slots, quick save, offline play, save conflicts and per-platform storage.
• Reliability: atomic writes with a backup, data migration, and 3,000+ tests from Unity 6.0 to 6.6.
• Security: AES-256 encryption, tamper detection and a per-project key.
• Performance: work off the main thread, compression, lazy loading, no idle allocations.
• Quality of Life: clear Inspectors, a Save Overview window, and Editor saves kept apart from your builds.

See every feature.

CONTENT

• Modules: Core, Built-Ins, No-Code, Scene Objects and Prefs, with parts that turn on for the libraries you use.
• Storage Locations: 9 managers, including Local File, Server (HTTP), Cloud Save (UGS) and Steam Cloud.
• Backend Services: 9 tested recipes (PlayFab, Firebase, Supabase, Nakama...) and 9 more documented.
• Serialization: Unity JSON, Newtonsoft JSON, Odin, MemoryPack, or your own.
• Ready-to-Use GameObjects: 12 pre-wired save buttons, menus and panels.
• Documentation and Samples: offline guide, manual and API reference, 8 AI skills and a demo game.

See the full content.

GETTING STARTED

Learn everything you need to create your first save in the Quick Usage Guide.

Already using another solution? See How It Compares to make sure Persistent Asset is the right fit for your project.

ABOUT

This is the third iteration of a concept I’ve had in mind for years. I’m proud of what it has become, and I’m committed to continuously improving it!

If you have any questions, feature requests, feedback, or run into a bug, just email me at justetools@gmail.com. I respond within one business day.

I truly hope this package helps you make awesome games :D