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 $68.9K — a different platform, not this one.

Paper Sorcerer

A powerful sorcerer is on the cusp of dominating the land. A group of heroes bands together and seals him away inside a magical tome. Now as the sorcerer you must escape from this ancient prison and find a way to regain your magical powers using your wits and an array of summonable creatures to aid you. There may be more powerful forces at work as you navigate the dungeons and fight the heroes sent to subdue you... Paper Sorcerer is a stylish single player turn based RPG focused on strategy, party-building, and environmental puzzles. Fight with the skills and spells you've learned in a battle system that emphasizes strategy over grinding. Assemble a party of monsters and dark creatures to fight alongside you. Explore and solve environmental puzzles to unlock secret paths and find extra loot! A double-sided adventure, an RPG with adventure game elements. Play as a renegade sorcerer as he struggles to escape the book prison and regain his powers. Numerous creatures and fiends to unlock, further customizing your party; including a healer Witch, a trickster Imp, assassin Troll, and a berserker Minotaur. Discover fiendish puzzles and solve them with a combination of spells, items, and your wits.