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 $1.9K — a different platform, not this one.

Montezuma's Revenge - Director's Cut

This is the long-awaited conclusion of the 80's classic " Montezuma's Revenge! " by the original developer. It has been 40 years since the release of the original classic game. Avoid the spiders, skulls, snakes and bats as you guide our hero, Pedro, in exploration of Montezuma's Pyramid to claim its treasure! This is the classic 2D open-exploration platformer where you run, jump, climb and fight your way to the finish! There are 9 levels of pyramids to explore! Every room has been renovated and updated with new treasures, new room elements like trampolines and exploding pots, and finally the confrontation with King Montezuma Himself! Explore the chambers of the mysterious Aztec pyramid! Climb the stairs and ropes, collect keys to open doors! Collect the jewels & swords, and the coveted torch! Beware of the snakes, skulls and spiders! And finally, find the treasure room at the end of the underground labyrinth! It has all the original key features of the original Atari classic plus a number of interesting new improvements. Featuring: Totally new gameplay - It's the first all-new Montezuma game in decades! New features like trampolines, elevators & exploding pots 6 Tutorials to quickly learn the gameplay 6 game save slots CRT effects, Scanlines, Bulge and Blur Fullscreen or Windowed mode Wide/Narrow display options User-configurable input