No revenue estimate for GOG — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.

Mortal Sin

Eyes locked on your prey. You kill without remorse. After all… it’s either you or them. Sentience fades. This moment is your release .     REWARDING MELEE COMBAT Mortal Sin is built around fast, visceral melee combat where every strike matters. Chain slashes, bashes, and kicks into devastating finishers as limbs fly and blood paints the walls. Combat thrives on momentum: move fast, hit hard, and never give your enemies a chance to breathe.     ENDLESS REPLAYABILITY Descend into a surreal, ever-shifting nightmare. Procedurally generated levels, randomized quests, and hundreds of hand-crafted rooms make every run feel fresh. Unlock a growing roster of distinct classes, from the greatsword-wielding Berserker to the gun-toting Pirate, each with their own playstyle and wild synergies.     SINFUL VISUALS Dive into a bold, graphic novel-inspired world that’s as stylish as it is deadly. Prefer a different look? Mortal Sin now features multiple visual modes and color palettes. Your nightmare, your way.     KEY FEATURES Brutal, skill-based melee with flashy, satisfying combos Beautiful comic-book visuals, now fully customizable Dozens of unique enemies that react to your every move Over a dozen playable classes, each with their own weapons and abilities A huge arsenal: greatswords, spears, guns, claws, and magic Hundreds of handcrafted rooms across procedurally generated maps Secret platforming zones with rare loot and hidden horrors Randomly generated quests with powerful rewards Multiple color palettes to match your vibe and mood Infinite runs and future updates to keep the chaos going