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OmerZeyveli
OmerZeyveliCOMMUNITY
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save-system

Persist and restore Unity game state with JSON serialization and versioned migrations.

3|Updated Jun 27, 2026
Search Tags:#unity#save system#load system#json serialization#scene persistence#save slots#cloud saves
One-click install
npx skills add https://github.com/OmerZeyveli/kinglet-unity --skill save-system-omerzeyveli
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: save-system
Source: https://github.com/OmerZeyveli/kinglet-unity/tree/main/.claude/skills/gameplay/save-system
Command: npx skills add https://github.com/OmerZeyveli/kinglet-unity --skill save-system-omerzeyveli

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides structured patterns for persisting and restoring Unity game state reliably across sessions, scenes, save slots, and future format changes.

Core Features & Use Cases

  • Saveable state architecture: Implement stable ISaveable contracts for components that capture and restore their own data.
  • Save management: Coordinate JSON serialization, save slots, autosaves, atomic file writes, metadata, deletion, and scene restoration.
  • Persistence guidance: Distinguish gameplay saves from PlayerPrefs settings, support per-scene persistence, prepare for cloud synchronization, and migrate versioned save data.
  • Use Case: When building an inventory, health, quest, or destroyed-object system, use these patterns to save its state with stable keys and restore it after loading the appropriate scene.

Quick Start

Use the save-system skill to design and implement a versioned Unity save manager with save slots, autosave support, scene persistence, and ISaveable components for the player inventory and health.

Frequently Asked Questions about save-system

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I save and restore Unity game state across scene transitions?▼

To save Unity game state across scene transitions, use scene-aware restoration patterns with stable save keys and JSON serialization to capture and reload destroyed objects, inventory, and health data.

What's the best way to structure a Unity save system with multiple save slots?▼

A reliable Unity save system coordinates save slots, autosave checkpoints, and metadata using atomic file writes and JSON serialization to prevent data corruption during the save process.

Should I use PlayerPrefs for saving Unity gameplay data?▼

PlayerPrefs should be restricted to non-gameplay settings only, while gameplay data like inventory, health, and quests require structured JSON serialization with atomic file writes for reliable persistence.

How do I handle backward compatibility when migrating Unity save data formats?▼

Backward-compatible save migrations in Unity require versioned data structures that apply migration steps sequentially, allowing older save files to upgrade safely to new formats without losing player progress.

Can I prepare my Unity save system for cloud saves?▼

Cloud save preparation in Unity involves structuring save data with stable keys, JSON serialization, and atomic writes so serialized payloads remain sync-ready for remote storage synchronization.

How do ISaveable contracts work for persisting Unity component data?▼

ISaveable contracts let Unity components capture and restore their own data independently using stable save keys, enabling a save manager to serialize player inventory, health, and quest state without tight coupling.

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