What are some alternatives?
When comparing Super Phantom Cat and Downwell, you can also consider the following products
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.
Minilens - Libre puzzle platformer for gravity-oblivious aliens
Hollow Knight - Descend into the Dark Venture down into a beautiful, ruined world of insects and heroes
Agent Dash - Your mission, if you choose to accept it, is to destroy as many villainous bases as you can!
Mari0 - What happens when you mash Super Mario Bros. and Portal together?
GameStart - GameStart is a software for creating 2D and 3D realtime applications.