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☁️Cloud Services

Cross-platform cloud save and sync for Unity mobile games using iCloud and Google Play

Essential Kit's Cloud Services feature lets Unity teams sync player data across devices without maintaining platform-specific code. This tutorial walks you through setup, key APIs, testing, and troubleshooting so you can add cloud save functionality with confidence.

Looking for a working reference? Open the demo scene at Assets/Plugins/VoxelBusters/EssentialKit/Examples/Scenes/CloudServicesDemo.unity and the companion script at Assets/Plugins/VoxelBusters/EssentialKit/Examples/Scripts/CloudServicesDemo.cs to see the full API in action.

What You'll Learn

  • Store and retrieve game data using simple key-value pairs

  • Sync player progress across devices with automatic conflict detection

  • Handle cross-device data consistency with change events

  • Choose between local-only storage and cloud synchronization

Why Cloud Services Matters

  • Player retention: Let players seamlessly continue progress on any device

  • Cross-device experience: Single game state across phone, tablet, and reinstalls

  • Simple data persistence: Replace PlayerPrefs with cloud-backed storage

  • No backend required: Built on free platform services (iCloud, Google Play)

Tutorial Roadmap

  1. Setup - Enable the feature and configure platform settings.

  2. Usage - Store data, sync with cloud, and handle conflicts.

  3. Testing - Verify cloud sync across devices and reinstalls.

  4. FAQ - Troubleshoot common issues and limitations.

Key Use Cases

  • Save player progress: Store game state, achievements, and unlocked content (within 1MB iOS / 3MB Android limits)

  • Cross-device sync: Let players switch between devices without losing progress

  • Offline-first storage: Use as enhanced PlayerPrefs that works locally without cloud sync

  • Conflict resolution: Automatically detect and resolve data conflicts from simultaneous device usage

Prerequisites

  • Unity project with Essential Kit v3 installed and Cloud Services feature enabled

  • iOS builds require iCloud capability configuration (handled automatically during build)

  • Android builds require Google Play Services integration (handled automatically during build)

  • Test devices with active iCloud (iOS) or Google Play account (Android) for cloud sync validation

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