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

Double Dragon Trilogy

A groundbreaking, uber-popular game upon its arcade debut in 1987, Double Dragon is the undisputed godfather of co-op beat ‘em all! Enter Double Dragon Trilogy, a compilation including all three installments of the beloved arcade series: Double Dragon, Double Dragon 2: The Revenge, and Double Dragon 3: The Rosetta Stone. All your favorite moves are here: punches, kicks, elbows, knees, head-butts and an assortment of not-exactly-street-legal weapons. Two game modes: “Arcade” (play the game from beginning to end and go for the high score) and “Story” (unlock new stages and achievements while playing through the game). Customizable controls: keyboard & controller. Three difficulty levels: “easy” (easier than the original), “original” (similar to the arcade version) and “expert” (a real challenge!). Choose between the original 8-bit soundtrack and a brand-new remastered one!