No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $20M — a different platform, not this one.

Skullgirls 2nd Encore

Skullgirls 2nd Encore is a beautiful, fast-paced, and critically acclaimed 2D fighting game that puts players in control of fierce warriors in an extraordinary Dark Deco world. Each of the 14 wildly original characters features unique gameplay mechanics and plenty of personality. Skullgirls is the perfect fighting game for casual and competitive fighting game fans alike. Includes fully voiced story mode, gorgeous animation, and a soundtrack by Michiru Yamane. Purchasing this content entitles you to both the PS4™ system and “PS Vita” system versions! Includes support for PlayStation®3 system fight sticks.