What are some alternatives?
When comparing Chameleon Run and Hollow Knight, you can also consider the following products
Super Mario Run - The mobile Mario game you can play with one hand!
Super Meat Boy - Let's start with what's the same: Dr. Fetus is still a jerk, gameplay is super challenging but fair, there are tight controls and great levels and you will die. a lot.
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!
SuperTux - SuperTux is a classic 2D jump'n run sidescroller game in a style similar to the original Super...
Canabalt - The classic, side-scrolling, retro-themed endless runner game.
Braid - Resource planning & scheduling for professional services