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 $42.2K — a different platform, not this one.

THE LAST BLADE

“THE LAST BLADE” , the first entry in the legendary 2D weapons-based fighter set during the twilight years of the Tokugawa shogunate, returns for another joust! Sharpen your blade, and be ready for some of the most epic battles on GOG! ARCADE - Pick a fighter from the 12 (+2 boss) characters available, and select between the simple and highly-damaging "Power" mode, or the technical and deep "Speed" game mechanic. Challenge and defeat all 10 opponents who will stand in your way, and learn more about your character's story via the splendid game endings! MULTIPLAYER - Cross swords with the best of the best in “THE LAST BLADE" via the "Invite a Friend" & "Lobby" multiplayer features. LEADERBOARDS - Check your current rank & score in “THE LAST BLADE" at any time, as well as those of your friends and other top players! SETTINGS - Configure various types of video options, controls and volume sound settings to your preference for the most pleasant “THE LAST BLADE” experience ever.