What are some alternatives?
When comparing Downwell and Braid, 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.
Hollow Knight - Descend into the Dark Venture down into a beautiful, ruined world of insects and heroes
Super Phantom Cat - Retro-inspired 2D homage to 8 and 16 bit platform games.
Minilens - Libre puzzle platformer for gravity-oblivious aliens
Limbo - “Dark, disturbing, yet eerily beautiful, Limbo is a world that deserves to be explored.” Joystiq. “Limbo is as close to perfect at what it does as a game can get.” Destructoid. Buy LIMBO: Special Edition.
Agent Dash - Your mission, if you choose to accept it, is to destroy as many villainous bases as you can!