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 $187.8K — a different platform, not this one.

Day of the Shell

Day of the Shell is a fast-paced tactical roguelite, where each turn is played in a single click.   The gods have brought down their wrath on humanity, and only a few remote islands remain. A lonely monster huntress has risen to challenge and appease the gods, traveling through what's left of the world.   FEATURES   One Click, One Turn : Tactical choices are made with a single click , making gameplay simple and dynamic while maintaining strategic depth. Explore the Islands : Survive against monsters and collect treasures on each island to open its portal. Will you be able to reach the heart of the Islands and destroy the Shell?      Shape Your Destiny : Combine the powers of the many Warden's blessings to fight your enemies. Different variations and combinations will allow you to create a unique playstyle for each game. Death is Part of the Adventure : With each death, you return to your home island, where you can permanently upgrade or consider your strategy for the next day.