Welcome

Welcome to the official documentation for the RealitySDK, the official modding SDK for Beyond Sandbox, a multiplayer VR sandbox platform powered by Unreal Engine 5.

It provides creators with the tools to build fully interactive, physics-driven, and multiplayer-ready experiences. From custom weapons to complete game modes, RealitySDK enables you to create and share your own content inside Beyond Sandbox.

Beyond Sandbox is designed as a modding-first platform, combining advanced physics, VR interactions, and user-generated content to create an ever-expanding ecosystem of experiences.

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🧩 RealitySDK – What You Can Do

Here’s what you can build with RealitySDK.

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🎮 Gameplay Creation

Interactables

Create interactive objects and gameplay elements:

• Firearms

• Melee weapons

• Props

Features:

• Built-in tools to easily create and configure hand poses for interactions

• Melee weapons include a Sharp Area component for stabbing and slashing mechanics

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Game Modes

• Create fully custom game modes

• Configure rules, flow, and logic

Systems available:

• GameMode API

• Game Data system

• Spawn system

• Teams system

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Gameplay Systems

• Use the Reality Gameplay System to drive mechanics

• Build reusable gameplay logic

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🧠 Systems & Logic

Reality Function System

• Create reusable logic blocks

• Drive gameplay behaviors and interactions

Game Feature System

• Modular feature architecture

• Enable or disable gameplay features dynamically

Extend the base game using:

• Native Game Features

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🌍 World Building

Levels

• Create custom maps

• Support multiple game modes per level

Tools & Optimization:

• Light scenarios & variants per level (eg Day/Night/Rain)

• Level tools

• Requirements & guidelines

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⚙️ Data & Runtime Systems

Reality Asset Data

• Create structured data assets

• Define gameplay properties

• Implement runtime-editable properties

Runtime Systems

• Spawn actors dynamically

• Access game context

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🧱 Core Framework

Classes & Core Systems

• Extend base classes

• Customize core gameplay behavior

Session System

• Use session widgets

• Manage game sessions and flow

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🖥️ UI Systems

• Create custom UI using:

  • Native widgets

  • Virtual screens

  • Tablet gamemode dedicated widget

  • Wrist widget

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🧪 Sandbox Systems

• Spawn and manipulate objects at runtime

• Build dynamic sandbox-style experiences

• Access shared game context

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⚡ Tools & Platform Support

Target platforms:

• Standalone VR (Quest 2, Quest 3)

• PCVR

Tools:

• Device scalability settings

• Performance guidelines

• Sideloadable Debug Builds for Rapid Iteration

• Integrated mod.io Support

• In-Editor Play Testing (PIE) (Work in Progress)

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🌍 Vision

RealitySDK exists to empower creators to:

Build anything from small gameplay mods to full VR experiences inside a shared multiplayer platform.

Jump right in

Get Modkit

Install & Setup The RealitySDK

Make your First Mod

Learn the basics

Join The Community

Join us on Discord