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github.com/SmartlyDressedGames/U3-SDK @v3.26.3.4

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18,616 symbols 47,836 edges 1,959 files 3,073 documented · 17% ● updated 4d agov3.26.3.4 · 2026-07-07★ 2,571179 open issues

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⨍ Functions 15,732◇ Types & classes 2,884

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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!

Resources

Extension points exported contracts — how you extend this code

ICommandInputOutput (Interface)

Interface between the dedicated server command I/O and per-platform console.

Assets/Runtime/Assembly-CSharp/Unturned/Command/ICommandInputOutput.cs

IAssetErrorContext (Interface)

Context for the Assets.ReportError methods. Nelson 2024-11-20: Converted from directly using asset to this int

Assets/Runtime/Assembly-CSharp/Unturned/Bundles/AssetErrorContext.cs

IArmorFalloff (Interface)

Implemented by assets which gun supports checking for damage falloff. When implemented, PopulateAsset should c

Assets/Runtime/Assembly-CSharp/Unturned/Bundles/ArmorFalloff.cs

IDeferredAsset (Interface)

Struct interface so that for transient asset bundles (older workshop mods) they can be preloaded and retrieved

Assets/Runtime/Assembly-CSharp/Unturned/Bundles/Bundle.cs

ICraftingTagProvider (Interface)

Implemented by "root" component of each entity type that can provide crafting tags to nearby players. This all

Assets/Runtime/Assembly-CSharp/Unturned/Level/CraftingTagProvider.cs

Core symbols most depended-on inside this repo

Add

called by 684

Assets/Runtime/Assembly-CSharp/Unturned/Regions/RegionList.cs

format

called by 442

Assets/Runtime/Assembly-CSharp/Unturned/Files/Local.cs

info

called by 425

Assets/Runtime/Assembly-CSharp/Unturned/Utils/UnturnedLog.cs

IsNullOrEmpty

called by 404

Assets/Runtime/SystemEx/ArrayEx.cs

Invoke

called by 322

Assets/Runtime/Assembly-CSharp/NetInvokable/ClientStaticMethod.cs

warn

called by 273

Assets/Runtime/Assembly-CSharp/Unturned/Utils/UnturnedLog.cs

Get

called by 267

Assets/Runtime/Assembly-CSharp/Unturned/Utils/CommandLine.cs

GetNetId

called by 229

Assets/Runtime/Assembly-CSharp/Unturned/Managers/BarricadeDrop.cs

Shape

Method 15,297

Class 2,349

Function 435

Enum 413

Interface 122

Languages

C#100%

C++1%

Modules by API surface

Assets/com.rlabrecque.steamworks.net/Runtime/autogen/NativeMethods.cs957 symbols

Assets/com.rlabrecque.steamworks.net/Runtime/autogen/SteamCallbacks.cs217 symbols

Assets/Runtime/Assembly-CSharp/Unturned/Provider/Provider.cs183 symbols

Assets/Runtime/Assembly-CSharp/Unturned/Managers/BarricadeManager.cs173 symbols

Assets/Runtime/Assembly-CSharp/Unturned/Interactable/InteractableVehicle.cs158 symbols

Assets/Runtime/Assembly-CSharp/Unturned/Player/PlayerQuests.cs152 symbols

Assets/Runtime/Assembly-CSharp/Unturned/Managers/VehicleManager.cs129 symbols

Assets/com.rlabrecque.steamworks.net/Runtime/autogen/SteamEnums.cs107 symbols

Assets/Runtime/Assembly-CSharp/Unturned/Useable/UseableGun.cs104 symbols

Assets/Runtime/Assembly-CSharp/Unturned/UI/Menu/Play/MenuPlayServersUI.cs100 symbols

Assets/Runtime/Assembly-CSharp/Unturned/Player/Player.cs97 symbols

Assets/Runtime/Assembly-CSharp/Unturned/Managers/ZombieManager.cs96 symbols

For agents

$ claude mcp add U3-SDK \
  -- python -m otcore.mcp_server <graph>

⬇ download graph artifact