PhyreEngine — Sony’s Free PlayStation Game Engine: Games, Features, and Licensing
PhyreEngine quietly powered Journey, Gravity Rush, and Falcom’s RPGs. How Sony’s free engine worked, who used it, and where it stands today.
Game Engines
Panda3D: Disney’s Open-Source C++ and Python Game Engine in 2026
The engine behind Toontown Online is still free, BSD-licensed and maintained. Here’s how Panda3D’s C++ core and Python layer work, with a tested example and the games built on it.
ORX – Portable 2D Game Engine
ORX is a cross platform, open source, portable, 2D oriented game engine developed by ORX Projects. This game engine is written in C/C++. It runs on Windows, Mac OS X, Linux, Android and IOS. Most stable version of ORX is released In May 10, 2020. ORX is published under a free software license called ZLIB license.
OpenClonk: The Open-Source Clonk Game and Engine, C4Script, and Its Status in 2026
OpenClonk is the community’s open-source continuation of the German Clonk series, a 2D game and engine scripted in C4Script. Here’s how it works, a tested script, and its status.
OGRE and OGRE-Next: the Rendering Engine That Isn’t a Game Engine
OGRE draws things. Physics, audio and gameplay are your problem — which is exactly why it shows up inside other people’s engines and in robotics. Here’s the OGRE 1.x versus OGRE-Next split, and which to pick.
Marmalade SDK: The Cross-Platform C++ Mobile Engine and What Happened to It
Marmalade let studios ship one C++ game to every mobile platform, then vanished. Here’s how it worked, which games used it, and why you can’t use it in 2026.
MT Framework: Capcom’s Engine Before RE Engine — and the Games It Still Ships
Capcom turned down Unreal and built its own engine instead. Here’s every MT Framework version and what ran on it, why RE Engine replaced it, and why it was still shipping games in 2025.
Moai SDK: the Lua Game Engine Behind Broken Age, and Where It Stands Now
Moai gave indie studios a C++ core with Lua on top, and powered several notable games before development stopped. Here’s the verified status — including the date of the last commit — and the Lua engines to move to.
Lumberyard – Free Game Engine
Lumberyard is a free, cross-platform 3D game engine developed by Amazon Game Tech. It is based upon Crytek’s Cryengine. This AAA game engine is written in C++ and Lua. Lumberyard develops games for the PC, Mobiles and consoles i.e., Microsoft Windows, iOS, Android, PlayStation 4 and Xbox One. The most prominent feature of the engine is its integration with AWS (Amazon Web Services) and Twitch. Lumberyard is designed for performance, modularity, and productivity.
Limon Engine: An Open-Source C++ First-Person Game Engine, Its Features, and Its 2026 Revival
Limon is a one-developer, open-source C++ engine for first-person games, with an editor, physics and Python scripting. Here’s what it does, its new render pipeline and its status.
id Tech Game Engines — Complete History from Doom to id Tech 8
id Tech built the FPS genre: Doom, Quake, and thirty years of Carmack-grade engineering, now at id Tech 8. Every version, every game, all in one place.
Leadwerks –An Easy way to build 3D Games
Leadwerks is a cross-platform, 3D game engine developed by Leadwerks Software to make 3D video game easy to develop. It is written in C++, C-Objective and Lua. It develops games for the platform of Microsoft windows and Linux. It is a proprietary engine. On March, 2019 its first stable version was released. Until now four versions of the engine have been released.