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Thirdweb Unity SDK

Unity Documentation .NET Documentation

Technical Demo

Experience our multichain game demo leveraging In-App Wallets and Account Abstraction built in three weeks - Web3 Warriors.

image

Supported Platforms & Wallets

Build games for WebGL, Desktop, and Mobile using 1000+ supported chains, with various login options!

Wallet Provider WebGL Desktop Mobile
In-App Wallet (Email, Phone, Socials, Custom) ✔️ ✔️ ✔️
Ecosystem Wallet (IAW w/ partner permissions) ✔️ ✔️ ✔️
Private Key Wallet (Guest Mode) ✔️ ✔️ ✔️
Wallet Connect Wallet (400+ Wallets) ✔️ ✔️ ✔️
MetaMask Wallet (Browser Extension) ✔️ — —
Smart Wallet (Account Abstraction) ✔️ ✔️ ✔️

✔️ Supported   ❌ Not Supported   — Not Applicable

Getting Started

  1. Download: Head over to the releases page and download the latest .unitypackage file.
  2. Explore: Try out Scene_Playground to explore functionality and get onboarded.
  3. Learn: Explore the Unity v5 SDK Docs and the .NET SDK Docs to find a full API reference.

Notes:

  • Tested on Unity 2021.3+, 2022.3+, Unity 6 Preview. We recommend using 2022 LTS.
  • Newtonsoft and EDM4U are included utilities; deselect if already installed to avoid conflicts.
  • If using .NET Framework and encountering HttpUtility errors, create csc.rsp with -r:System.Web.dll under Assets.
  • Use version control and test removing duplicate DLLs if conflicts arise.

Build Instructions

General

  • Build Settings: Use Smaller (faster) Builds / Shorter Build Time.
  • Player Settings: Use IL2CPP over Mono when available.
  • Stripping Level: Set Managed Stripping Level to Minimal (Player Settings > Other Settings > Optimization). (Generally not a hard requirement unless using WalletConnect as a wallet provider option.)
  • Strip Engine Code: Make sure this is turned off.

WebGL

  • WebGL Template: None enforced, feel free to customize!
  • Compression Format: Set to Disabled (Player Settings > Publishing Settings) for final builds.
  • Testing WebGL Social Login Locally: Host the build or run it locally with Cross-Origin-Opener-Policy set to same-origin-allow-popups.

Example setup for testing In-App or Ecosystem Wallet Social Login locally (no longer required with Unity 6 Web, can use Build & Run):

// YourWebGLOutputFolder/server.js
const express = require("express");
const app = express();
const port = 8000;

app.use((req, res, next) => {
  res.header("Cross-Origin-Opener-Policy", "same-origin-allow-popups");
  next();
});

app.use(express.static("."));
app.listen(port, () =>
  console.log(`Server running on http://localhost:${port}`)
);

// run it with `node server.js`

No action needed for hosted builds.

Mobile

  • EDM4U: Comes with the package, resolves dependencies at runtime. Use Force Resolve from Assets > External Dependency Manager > Android Resolver.
  • Redirect Schemes: Set custom schemes matching your bundle ID in Plugins/AndroidManifest.xml or equivalent to ensure OAuth redirects.

Migration from v4

See https://portal.thirdweb.com/unity/v5/migration-guide

Need Help?

For any questions or support, visit our Support Portal.

Thank you for trying out the Thirdweb Unity SDK!