What are some alternatives?
When comparing Superpowers and Duality, you can also consider the following products
Unity - The multiplatform game creation tools for everyone.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
LOVE - Hi there! LÖVE is an *awesome* framework you can use to make 2D games in Lua.
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
Polycode - Polycode is a C++ and Lua framework for building interactive applications.