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 $16.3K — a different platform, not this one.

Ruin Raiders

Ruin Raiders is a turn-based tactical roguelike where you guide squads on a mission to explore an ancient, ever-shifting civilization. Explore ruins, demon-infested depths, and more while upgrading your raiders with unlockable gear before facing bosses that hide in the abyss. Procedurally Generated and Highly Replayable: You never play the same game twice. Tactical Combat: Manage military squads in turn-based ground battles on a no-return journey. 100+ Items: Unique weapons, grenades & accessories that you can loot, craft and equip. Enemies & Bosses: Tons of enemies on each floor plus unique bosses along the way. Strategic Base: Improve & expand your raider's base to achieve powerful upgrades for your characters. Unlockable Raider Classes & Abilities: Unlock more races & upgrade your race abilities to deepen yourself further into the ruins. Upgradeable Weapons and Units: Craft your own equipment and level-up your raiders.