GDevelop is described as 'Open-source game making software designed to be used by everyone. Any kind of 2D games can be created with it and no programming skills are required to get started. Logic of games are made using visual events' and is a very popular game development tool in the development category. There are more than 100 alternatives to GDevelop for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best GDevelop alternative is Godot Engine, which is both free and Open Source. Other great apps like GDevelop are Unity, Scratch, Wick Editor and LÖVE.
Rogue Engine is a full featured environment for game development using WebGL. Create projects in an intuitive and familiar 3D environment using configurable components made with TypeScript.
ezEngine is a free, open source game engine written in C++. Its philosophy is to be modular and flexible, such that it can be adapted to many different use cases. EZ utilizes a plugin system to integrate features such as FMOD or Jolt Physics.
Switzerland
Develop your programming skills by quickly creating and modding retro arcade games with Blocks, JavaScript and Python in the online MakeCode editor, the offline app or your own local pxt-arcade server.
United States
The Seclusion Game Engine ("SGE", pronounced like "sage") is a general-purpose libre open source 2-D game engine for Python. It takes care of several details for you so you can focus on the game itself.
Flax Engine is claimed the most agile game engine. It's open source, cross-platform and it lets you write scripts in C++ and C# seamlessly. Also focused on lightweight development. A true game changer.
Poland
EU
Verus Engine is a modern, platform-agnostic 3D game engine. It is developed using C++ and HLSL. It is based on Direct3D 12 and Vulkan graphics APIs. The code is user friendly and well optimized.
EstoniaEU
Tululoo Game Maker is a complex game creation environment that allows you to create browser based games. The program generates a Javascript code that can be played in web browsers using the next generation web standard HTML5.
HungaryEU
Duality is a modular 2D game engine / editor combo, written entirely in C# and built on top of an OpenGL backend. It's open source, features an open architecture that invites extensibility and technical ownership, and it embraces C# as a language rather than a scripting...
Orx is an open source, portable, lightweight, plugin-based, data-driven and extremely easy to use 2D-oriented game engine. Orx is mostly written in C, but allows you to develop with it with any language that can interface to C.
QICI Engine is a free and opensource JavaScript library, based on free and opensource game engine Phaser, with a web-based comprehensive suite of HTML5 game making editor.
United Kingdom
Jamango! is a browser-native gaming platform that enables anyone to create, and play user-generated worlds.
IrelandEU
MAGE stands for MAKE A GAME EXPERIENCE
The goal for MAGE is to make it as easy as possible for people to create their own 3D universes, adventures and stories. PLAY WHILE YOU CREATE!.
