Bop’n Rumble on the Commodore 64 (released as Street Hassle in Europe) is a sidescrolling beat-’em-up with a deliberately goofy, over-the-top style, where you walk left to right through city streets pummeling punks, bikers, dogs, grannies, and other absurd enemies using an arsenal of wrestling-style moves. You’ve got basic punches and kicks plus exaggerated attacks like flying dropkicks, shoulder charges, and a notorious groin-kick that makes many foes crumple instantly, all while watching a simple health bar and trying not to get surrounded. Levels progress through different urban backdrops with boss-like tough guys at intervals, but the emphasis is less on complex mechanics and more on comic brutality and timing, giving the game a reputation as a crude, darkly humorous brawler rather than a deep martial-arts simulation.