Apple's first-party 3D engine

An in-development experimental fork of Urho3D game engine

Rendercore is a proprietary 3D game engine developed in C++ by Renderon Softwares. Officially active since 2025, it is designed for building ambitious, large-scale 3D games with a strong focus on open-world environments, dynamic systems, and immersive gameplay.

Roblox Studio is an all-in-one IDE that lets you create experiences that run on Roblox. It lets you reach millions of users using the Roblox app on console, desktop, and mobile devices.

A Unity3D-like environment to create WebXR enabled apps and games for the browser with three.js

Rootex is a Windows based 3D multithreaded game engine written in C++

A coding community for children and a coding language with a simple visual interface that allows young people to create digital stories, games, and animations

A point-and-click adventure game engine designed with non-programmers in mind and solely for that genre

Silk Engine features the latest graphical technology (HDR Physical Based Rendering, global illumination, raytracing, advanced image post processing, nodal particle system, streaming…), and runs on PC and current generation consoles: PlayStation 5 and Xbox Series.

C++ Game Engine based on Irrlicht 3D with upgraded Sound Engine, Physics Engine, and Particle Engine

A framework for 2D game development provided by Apple

SpriteWidget is a toolkit for building complex, high performance animations and 2D games with Flutter

A in-development fantasy-console-inspired, limitation-led game engine with Lua bindings

T-Engine4 is a roguelike game engine operating in Lua and available for all major platforms

A no-code 3D game engine.

Extremely minimalist choice-based text adventure engine

Multiplatform lightweight 2D game-engine, retro-game inspired. Uses OpenGL through GLFW3. Scripted in Lua. Aiming zero run-time dependencies.

A game engine written in Common Lisp, meant to be more of a loose connection of components that can be fit together as required by any particular game

TRSE is a complete suite (IDE, compiler, programming language, resource editor) intended for developing games/demos for 8 / 16-bit line of computers, with a focus on the MOS 6502, the Motorola 68000, the (GB)Z80, the M6809 and the X86.

An HTML5 game engine and server-side APIs for building and distributing 2D and 3D games that run on platforms that support HTML5

Experimental 3D / game engine technology partially based on the Urho3D codebase

Currently in early access. Assumed to replace Leadwerks.

Unbound is a new engine built around creating with SDF shapes. Quickly bring your ideas to life with powerful game-making tools that are enjoyable for experts and newcomers alike.

This online tool is a no-code environment designed to allow someone to create a game for Atari 2600 without knowing much about programming and without installing anything on their computer.

A collection of different sources - and some new creations - in a single application. It is a Vectrex Integrated Developement Environment.

Voodoo is a 3D game programming library written in C and exposes an API that is intended to be invoked via scripts written in Janet. Is presently focused on creating games for the browser.

A free, open-source tool for creating games, animations, and multimedia projects

A game platform in which you can create a 3D avatar and play games made by people from all over the world with your friends

Yami RPG Editor is specially designed for making ARPG