Godot Engine - Feature-packed 2D and 3D open source game engine.
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
Rust - A safe, concurrent, practical language