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 $177.6K — a different platform, not this one.

Cralon

A bottomless pit of massive caverns, winding tunnels, and hidden secrets lies before you. Find your way out while evading what lurks in the shadows. Inspired by classic dungeon crawlers and RPGs, CRALON is an immersive first-person adventure that tests your resolve as you face the demons around you and within. You are CRALON the Brave, a hunter pursuing a powerful demon. But when the creature catches you off guard, you plunge into the depths of an abandoned mine shaft. Trapped in the darkness, your fight for survival and escape begins. Yet not everything below wishes you harm. Face your fears, uncover the mine's long-buried secrets, and discover what true bravery means with the help of the shaft's inhabitants. CRALON is a first-person adventure game focused on exploration and atmosphere, inspired by classic dungeon crawlers and RPGs. As you claw your way through a crumbling mine shaft, you'll fight, loot, and craft to survive. Along your way, quests, long-forgotten secrets, and the mystery of the shaft gradually unfold. KEY FEATURES A first-person adventure with a unique blend of RPG, survival, and immersive sim elements. Old-school combat, crafting, puzzles, and character progression. Explore a vast interconnected dungeon filled with fantastical encounters. Uncover the secrets of the shaft through a wide range of quests and optional content. Creepy encounters and unsettling situations that keep you on edge. CONTENT WARNING Some suspenseful and frightening moments. CRALON is not a horror game, but it does contain spooky elements.