Mamus is a puzzle platformer about making things symmetrical!
This can be rotation or reflection, all that matters is the solid parts of the levels match; if you can touch it, and it changes, it counts.
Mamus boasts 5 short levels showing off the concepts of the game, a customizable background, and 2 music tracks.

Controls
WASD / Arrow Keys map to movement as expected. You can use space to jump, too.

Credits
"Eminent Hearers" font by @uraynuke on Twitter

...oh, also: