Cross platform 2D games based on the Qt framework.

2D game engine made on top of Flutter

2D/3D content creation tool integrating a flexible and visual editor system

LWJGL is a low-level Java library that enables cross-platform development

Luanti (formerly Minetest) is an open-source, cross-platform voxel engine, inspired by Minecraft. Primarily written in C++, utilising the Irrlicht Engine, and it provides an API for users to make games or mods, for existing games, using LUA.

An open-source, 3D game engine forked from the old Blender Game Engine and deployed with Blender itself

A retro game engine for Python

Pygame CE (Community Edition) is a free and open-source cross-platform library for the development of multimedia applications like video games using Python.

Ruby2D is a framework to build cross-platform 2D applications, games, and visualizations on Ruby.

Dagor Engine and Tools source code from Gaijin Games.

Taylor is a small, free, and open source game engine designed to be easy to use, cross platform, and to boost developer happiness

A lightweight, multiplatform, free and open-source 2D game engine

An open and free library to develop programs for the Nintendo SNES using the C programming language.

Ikemen GO is an open source fighting game engine that supports resources from the M.U.G.E.N engine, written in Google’s programming language, Go.

A Lua based game engine with focus on ease of iterations and usage

A fast, fun, free and open-source framework for Canvas and WebGL powered browser games

Luminoveau is an open-source C++ game engine designed for simplicity and reach — 2D and 3D, desktop to console, from your first game to your next release.

MSXgl is a Game Library wrote in C and targeting MSX computers. The purpose of this library is to provide C programmers with the whole set of functionalities to make a game with high performance.

A free, all-in-one, cross-platform game engine that makes it easy for you to create 2D and 3D games.

A game engine built entirely on camera. Started as a YouTube video series, now live-streaming on Twitch

Flecs is a fast and lightweight Entity Component System that lets you build games and simulations with millions of entities.

pyglet is a powerful yet easy-to-use Python library for developing games and other visually rich applications on Windows, macOS, and Linux

Carimbo is a lightweight 2D game engine written in modern C++. It features Lua scripting and is designed for high-performance deployment across all major platforms.

A cross-platform Java game development framework based on OpenGL (ES) that works on Windows, Linux, macOS, Android, your browser and iOS

An easy-to-use engine that makes game design easy, regardless of background or skill level

A full-source code available and agile game engine

TilBuci is a free, open source tool to create interactive content, focused on building interactive narratives like visual novels.

A visual novel engine that helps you use words, images, and sounds to tell interactive stories that run on computers and mobile devices

A framework for cross-platform games

Unreal Engine enables game developers and creators across industries to realize next-generation real-time 3D content and experiences with freedom, fidelity, and flexibility