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 $20.7K — a different platform, not this one.

Truxton

"POWER ON! ALL SYSTEMS GO! TAKE OFF!" Truxton (known in Japan as "Tatsujin") loops back in full glory with modern luxuries, including online leaderboards, arcade-accurate emulation, quick saves, and the brand-new beginner mode. It's an all-thrills arcade blast and a stellar showing of Toaplan's signature blend of action, speed, and excitement that's kept gamers on their toes for decades! The ruthless Gidans are flying your way armed with tanks, guns, and explosives for an all-points takeover! Confront the invaders head-on in your Super Fighter, the mightiest assault ship in the universe, and blast them to kingdom come! ORIGINAL GAME FEATURES: ​​Take out all asteroid bases across massive stages in this vertically-scrolling shooter! Fight off alien hordes using several weapon styles, including the mighty Truxton Beam, Power Shot, and Thunder Laser. Each is capable of disintegrating any speeding onslaught! Wreak even more havoc by upgrading all weapon types over and over, multiplying their raw destructive powers! Get into an alien-zapping mood with Masahiro Yuge's original soundtrack. QUALITY OF LIFE IMPROVEMENTS: Minimal Input Lag: Emulation, input processing, and rendering all complete on the same frame. Quick Save using F1-F10, Reload with Shift+ F1-F10 Online leaderboards for Single Credit, No Assist, and Assisted plays. Instrument panels with extra gameplay information and artwork. Rewind the game between 10-18 minutes, depending on the action. Capture sharable replays to immortalize your alien-blasting memories (or funny moments). Assist Features such as auto-fire at multiple rates. Very Easy Mode: Lower the difficulty to breeze through the adventure. Pixel perfect or full-screen scaling in windowed or full-screen mode. Rotate the gameplay in 90-degree increments. Hone your skills in the ultra customizable practice mode!