Vaasi Framework

The only backend that is not only Unity-aware but Unity-native.

The In-Unity Backend

Experience the ultimate seamless developer workflow. Write, test, and debug your server code directly within the Unity Editor.

  • Instant Feedback: Press "Play" to test backend changes instantly. No deployment required.
  • Unified Context: Backend and frontend code share the same context, allowing for cross-service refactoring and early error detection.
  • Unity Native: Use Unity packages (Physics, AI) directly in your backend logic.

Unity Editor Integration

Imagine your server logic running right here.

Key Features

Built for modern scalable multiplayer games.

🚀

Performance

In-world ECS combined with actor model worlds provides fault-tolerant and distributed concurrency.

⚛️

Deterministic Physics

Drastically reduce network traffic and enable rollback netcode.

🔄

Unified Tech Stack

Game client, server, and web dashboards, all in C# and .NET. Share code and tooling seamlessly.

🤖

Embedded AI

Run Unity Sentis directly in the backend for real-time, low-latency AI-driven gameplay.

How We Compare

Feature / Platform Vaasi Framework Metaplay Photon Quantum Nakama
Custom C# Server Logic Yes Only Non-Unity Limited No
Deterministic Physics Yes (3D & 2D) No Yes (Integer-based) No
Actor Model Yes Yes No No
In-Editor Simulation Yes No No No
Source Access Yes Limited No Open Source