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 $35.7K — a different platform, not this one.

Avencast: Rise of the Mage

Play Avencast, the epic roguelike action-RPG with tons of combat moves, spells, and equipment. Fight against evil forces to save your academy and vanquish the darkness. As you progress, learn powerful spells and combos to increase your chances of victory. Enter a world of magic and adventure in Avencast, a spellbinding action-RPG game where you'll embark on epic quests to hone your skills in combat, spell casting, and weaponry. But be prepared, as demonic monsters threaten to unleash chaos and destruction upon your academy. With a wide variety of combat moves and spells at your disposal, as well as a vast arsenal of equipment, you'll have to use all of your skills to vanquish the relentless onslaught of enemies and uncover the source of this evil. But as the battle rages on, you'll discover that treachery and deceit lurk around every corner, and the fate of Avencast hangs in the balance. Can you rise to the challenge and become the hero the academy needs? Play Avencast and find out.