The vinyl scratch noise in the main menu is incessant, unnecessary, and completely obnoxious. Please for the love of God get rid of it. Other than that, fun stuff.
The Sleeper legendary card does not appear to function as described. The special ability description or whatever that thing is in the top left seems to say it instantly kills any enemy it runs into.... yet I just used her and she got totally destroyed while stabbing pointlessly.
 "Racing Comrade!"){kind=icon}
 "Cardian"){kind=icon}
 "Seed of Destruction"){kind=icon}