SmartlyDressedGames/U3-SDK

Source code for Unturned, a free open-world zombie survival sandbox game.

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Sep 3, 2026

updated

smartlydressedgames.com/unturned/

README

U3 SDK

Source code for Unturned, a free open-world zombie survival sandbox game.

Getting Started

Download/clone this repository
Install Unity Hub (required to install engine)
Install the Unity 2022.3.62f3 editor
Optional: if making code changes, select Game development with Unity + .NET desktop development in the Visual Studio installer
Ensure Steam is running and you have Unturned installed (large binary files and mods are loaded from here)
Open the project with the Unity editor
Open the Assets/GameStartup.unity scene
Click play!

Resources

Contributors

SDGNelson

16 commits

MoltonMontro

6 commits

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README

U3 SDK

Source code for Unturned, a free open-world zombie survival sandbox game.

Getting Started

Download/clone this repository
Install Unity Hub (required to install engine)
Install the Unity 2022.3.62f3 editor
Optional: if making code changes, select Game development with Unity + .NET desktop development in the Visual Studio installer
Ensure Steam is running and you have Unturned installed (large binary files and mods are loaded from here)
Open the project with the Unity editor
Open the Assets/GameStartup.unity scene
Click play!