What are some alternatives?
When comparing Chameleon Run and Super Mario Run, you can also consider the following products
Geometry Dash - Geometry Dash - Jump and fly your way through danger in this rhythm-based action platformer! Check out the full version for new levels, soundtracks, achievements, online level editor and much much more!
Canabalt - The classic, side-scrolling, retro-themed endless runner game.
Bit.Trip Runner - BIT.TRIP RUNNER is the fastest, most exhilarating music/rhythm-platformer to hit Steam!
SpeedRunners - In a city filled with superheroes, getting to crimes becomes a competition on its own.
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.
Super Hexagon - Super Hexagon is a minimal action game by Terry Cavanagh, with music by Chipzel.