What are some alternatives?
When comparing Kid Chameleon and Mega Man Revolution, you can also consider the following products
Megaman Origins - Between MM3 and MM4 there was a MM adventure, never told, until now:
Hollow Knight - Descend into the Dark Venture down into a beautiful, ruined world of insects and heroes
Mega Man Rock Force - Megaman Rock Force is a fan-made game designed to mimic the look and feel of classic 8-bit Megaman...
SuperTux - SuperTux is a classic 2D jump'n run sidescroller game in a style similar to the original Super...
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.
Dead Cells - Castlevania-inspired, action platformer with roguelike elements.