Geometry Dash is one of the most famous games in the world. But, unfortunately, it costs money on all available platforms (Play Store, App Store, & Steam). However, we will explore a good alternative that's free!
Geometry Dash really doesn't have anything to do with geometry. It's a game where you jump over obsticles.
Here is the definiton listed on Wikipedia:
"Geometry Dash is a series of music platforming video games developed by Swedish developer Robert Topala. The first game, known simply as Geometry Dash, was released on iOS and Android on August 13, 2013." Wikipedia
Firstly, go to Scratch. If you don't know, Scratch is a website created by MIT to learn code. Anyways, in the search bar, type in "Geometry Dash". Click on the first result.
I will also have a video tutorial that goes into more detail.