Go boot up your copy
Some time ago the Mighty No. 9beta hit Steam. It consisted of one level, and the developers weren’t sure if they were going to add anything more to it. Well that day has come, so boot up your game and you’ll find yet another stage — the one featuring the femaleMighty No. 2.
The developer also notes that they’ve uncovered a decent amount of bug reports from the beta so far, which is good news.