No revenue estimate for GOG — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $37.5K — a different platform, not this one.
Etrange Overlord
Étrange von Rosenburg is falsely accused of assassinating the king and is executed. Waking up in hell, she decides she'll just have to take the whole place over! Experience this frenetic action RPG from Sohei Niikawa, creator of Disgaea and Rhapsody: A Musical Adventure! Take advantage of the unique revolving lane mechanic that sends items, buffs, and even characters circling around the map. Then challenge this action-packed gameplay with your friends in the 2-4 player high-octane multiplayer mode! Indulge Étrange in her insatiable need for sweets in order to reap rewards of character improvements and bonuses. The gorgeous character designs brought to life by legendary illustrator Shinichiro Otsuka are sure to delight as Étrange and her many, many allies ride, fight, and even sing their way across hell. This is one musical odyssey you won't want to miss! An Army of Subordinates: As Étrange von Rosenburg, gather a colorful cast of characters from all corners of hell and put them to work as your subordinates! Lead your army into battle with over 15 playable characters and win the war for hell's throne! Chase the Revolving Lane: Shoot, dodge, and slash your way across the battlefield in fast-paced action RPG gameplay, featuring a unique revolving lane mechanic that sends items, power ups, and even your characters revolving around the stage! Then enjoy the frenetic gameplay with up to four friends in the multiplayer mode! Living Your Best Afterlife: Just because you're in hell doesn't mean you can't enjoy yourself! Follow Étrange as she tries to live her best life no matter the circumstances in a far-reaching story with plenty of laughs, plenty of heart, and plenty of musical numbers!