What are some alternatives?
When comparing Super Mario Run and Geometry Dash, you can also consider the following products
Canabalt - The classic, side-scrolling, retro-themed endless runner game.
Chameleon Run - Chameleon Run is a fast and challenging endless runner with a colorful twist.
Bit.Trip Runner - BIT.TRIP RUNNER is the fastest, most exhilarating music/rhythm-platformer to hit Steam!
Secret Maryo Chronicles - Secret Maryo Chronicles is an Open Source two-dimensional platform game and is using an Open Graphics Library for the best possible graphic design and stock performance.
Crossy Road - Crossy Road is the endless arcade hopper you'll never want to put down.
Hollow Knight - Descend into the Dark Venture down into a beautiful, ruined world of insects and heroes