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

The AGS Editor is a Windows-based IDE for creating adventure games as quickly and easily as possible.

Axmol Engine is an open-source, C++ multi-platform engine designed for mobile devices, desktop, and Xbox, well-suited for 2D game development.

A 2D-oriented, data-driven, portable game engine focused primarily on ease of use and powerful features

JavaScript game engine that uses q5.js/p5.js for graphics and Box2D for physics. p5play was designed by Computer Science teachers to be intuitive for beginners, making it popular at schools and universities around the world.

An open-source 3D game engine focused on portability, minimal footprint and performance, and integrated in Blender

Cross-platform (desktop, mobile, console) 3D and 2D game engine

Cute Framework (CF) is a framework available for making 2D games in C++. It provides a portable foundational layer for building 2D games in C/C++ without baggage, gnarly dependencies, or cryptic APIs.

Capsule VN Engine is a lightweight, no-code game development tool designed for the creation and distribution of 2D visual novels using web technologies.

A scene-oriented, flexible 3D engine written in C++ designed to make it easier and more intuitive for developers to produce games and demos utilising 3D hardware

A cross-platform game engine used worldwide. The engine can be used to create three-dimensional (3D) and two-dimensional (2D) games, as well as interactive simulations.

Matali Physics is an advanced, modern, multi-platform, high-performance 3d physics environment intended for games, VR, AR, physics-based simulations and robotics.

Hot Soup Processor is an interpreter used for developing 2d and 3d games, starting development since NEC PC88 times

Modern Multiplatform Game Engine for Kotlin

Modd.io is a low-code game engine where you can play & make games all in a browser with built-in netcode and free server hosting

A game development platform built in C#

A versatile game engine designed for creating 3D games and experiences. It includes landscape sculpting, a physics engine, customizable shaders, and procedural foliage generation.

A no-code game maker that runs right in your browser. Flowlab makes it easy to get started making your own games. Publish your creations as iOS or Android mobile apps, or export for PC & Mac.

A game engine to build 2D games with no code.

A free and open-source framework to make 2D games in Lua

DragonRuby Game Toolkit is a professional grade cross-platform 2D game engine

An open source C++ toolkit for creative coding.

Construct 3 is a powerful and user-friendly game development engine without the need for extensive coding knowledge

Very performant fantasy console with lots of features and multiple languages

Vulkan powered cross-platform coding

A 2D game development library for Ruby and C++, with few dependencies and great to learn Ruby or for short game development competitions

A cross-platform game engine built with Haxe

A mature cross platform graphics engine designed for high performance games. It was used in major titles like Dead Cells, Dune Spice Wars, Northgard and Wartales.

Urho3D is a free lightweight, cross-platform 2D and 3D game engine