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Open 3D Engine

Open 3D Engine (O3DE) is a free, open-source, cross-platform real-time 3D engine for creating interactive experiences such as games and simulations.

Place
#23 of 92
Score
7.7
Open 3D Engine's website

What Open 3D Engine is

Open 3D Engine (O3DE) is a free, open-source, cross-platform real-time 3D engine for creating interactive experiences such as games and simulations. Its modular Gems can be selected, customized, or replaced. Atom provides physically based rendering with DirectX 12, Vulkan, and Metal support. Runtime logic can use visual Script Canvas, Lua, or C++, with Script Canvas and Lua usable together. O3DE includes visual scripting, multiplayer tools, and mobile export. Documented simulation integrations include NVIDIA PhysX, NVIDIA Cloth, and AMD TressFX, while the project describes robotics use through ROS integration. A unified asset processor handles JSON assets and manifests, and Python can script asset builders. Networking supports TCP/UDP, encryption, compression, and player-hosted or dedicated servers. Windows and Linux are supported host and target platforms; Android is a target, while macOS and iOS support are experimental. Linux and Windows downloads are listed.

Good

  • Free and open source
  • Modular Gems architecture
  • Visual Script Canvas and Lua
  • Multiplayer and mobile export
  • TCP/UDP networking with encryption

Watch out

  • macOS and iOS support are experimental
  • Listed downloads are for Linux and Windows
  • Android is listed as a target platform

Who it suits

O3DE suits developers building games, simulations, or robotics experiences who want an open-source engine. It also fits teams needing visual scripting, multiplayer, mobile export, or configurable engine modules.

Verdict

O3DE combines modular engine components, multiple scripting options, rendering APIs, networking, and simulation integrations without a license fee. Confirm platform support and download availability for your intended development setup.

Plans and prices

From Open 3D Engine's own pricing page, checked 9 Oct 2026.

All about pricing
PlanPriceWhat it gives you
Open 3D EngineFreeOpen source · Free · Linux and Windows downloads

The facts

Each one read from Open 3D Engine's own pages, with the date it was checked.

What it does

Asset workflow
O3DE includes a unified asset processor, supports JSON-formatted assets and manifests, and allows asset builders to be scripted with Python.checked 9 Oct 2026
Community support
The site points users to Discord, GitHub forums, and FAQs for support.checked 9 Oct 2026
Download availability
The download page describes O3DE as open source and free and lists downloads for Linux and Windows.checked 9 Oct 2026
Maintainer support
The O3DE FAQ says the project uses a community-led model and will continue supporting CI/CD infrastructure, website hosting, code repositories, and technical governance.checked 9 Oct 2026
Mobile export
Yeschecked 24 Sep 2026
Modular design
The engine is composed of Gems that developers can select, customize, or replace.checked 9 Oct 2026
Multiplayer tools
Yeschecked 24 Sep 2026
Networking
The networking Gem supports TCP/UDP transport, encryption and compression, and player-hosted or dedicated-server models.checked 9 Oct 2026
Organization
The Open 3D Foundation, which houses O3DE, is part of the nonprofit Linux Foundation.checked 9 Oct 2026
Physics integrations
The documented simulation SDK integrations include NVIDIA PhysX, NVIDIA Cloth, and AMD TressFX.checked 9 Oct 2026
Purpose
O3DE is an open-source, cross-platform real-time 3D engine for creating interactive experiences, including games and simulations.checked 9 Oct 2026
Renderer
O3DE uses Atom, a modular physically based renderer with DirectX 12, Vulkan, and Metal graphics API support.checked 9 Oct 2026
Scripting
Runtime logic can be created with visual Script Canvas or Lua, and both can be used in the same project.checked 9 Oct 2026
Scripting languages
C++,Lua,Script Canvaschecked 24 Sep 2026
Security reporting
The security guidance asks vulnerability reporters to use [email protected] and says the SIG-Security response team should respond within three working days.checked 9 Oct 2026
Source code model
open_sourcechecked 24 Sep 2026
Visual scripting
Yeschecked 24 Sep 2026

The company

Founded
2021checked 28 Sep 2026

Money

Free plan
Yeschecked 24 Sep 2026

Where it runs

ROS integration
The O3DE home page describes robotics use through deep integration with the Robot Operating System (ROS).checked 9 Oct 2026
Supported platforms
Windows and Linux are listed as supported host and target platforms; Android is listed as a target, while macOS and iOS support are described as experimental.checked 9 Oct 2026
Target platforms
Windows,Linux,Androidchecked 24 Sep 2026

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