Abandonware action games - beat 'em up

Beat 'em up games are based on large numbers of hand-to-hand fighting, usually in horizontal scrolling views through levels populated by progressively stronger enemies. The most common and defining features for this kind of games are boss fights at the end of each level, temporary weapons, and power-ups. Some of the most popular beat 'em up games are: Double Dragon, Golden Axe, Renegade.