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 $551.4K — a different platform, not this one.

Wall World 2

The world of the Wall awaits. Wall World 2 builds on the mining rogue-lite experience with expanded mechanics, new challenges, and deeper gameplay. Explore procedurally generated mines full of new discoveries and dangers. Extract valuable resources, harness lost technologies, and upgrade your robospider and exosuit to survive against hordes of raging monsters. Venture through incredible biomes and uncover the secrets entombed in the depths of the Wall. DELVE INTO THE MYSTERIES OF THE WALL Venture deep into the World Wall in your robospider. The mysterious Hole holds both deadly threats and long-lost answers. Risk everything to find out what lies on the other side of the unseen depths. BATTLE ON ALL FRONTS Monsters lurk everywhere — not only on the surface of the Wall, but also within its mines. Arm yourself with an arsenal of powerful weapons and abilities to fight off any threat that stands between you and the truth. ADAPT TO A LIVING WORLD The endless Wall is ever-changing. Its depths contain not only resources and technologies, but also anomalies that can help or hinder your journey. Navigate incredible biomes, overcome obstacles and discover new wonders as you carve your path deeper inside. UPGRADE AND CUSTOMIZE Customize your robospider between expeditions and meet new characters in the sphere city. You'll have plenty of options to upgrade and enhance the equipment of both your exosuit and your mobile battle station. Each of them brings you one step closer to conquering the Wall.