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