love2d.org/
A framework for creating 2D games with the Lua programming language. It's free, open-source, and works on Windows, Mac OS X, Linux, Android and iOS.
For that old school look and feel.
Suggest updated description
Games which have short playtimes and can usually be completed in one sitting.
Explore games made with LÖVE tagged Retro and Short on itch.io · Upload your games made with LÖVE to itch.io to have them show up here.
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