animated characters, Cuphead and Mugman, cooperative gameplay, online multiplayer, PS5 graphics, vibrant colors, 1930s cartoon style, run and gun, boss battles, vintage visual aesthetic, dynamic duo, action-packed, whimsical environment, hand-drawn animation, rubber hose limbs, exaggerated expressions, challenging levels, retro gaming, seamless online connection, split-screen option, iconic soundtrack, whimsical projectiles, power-ups, parry mechanic, side-scrolling adventure, unique bosses, imaginative design, two-player mode, nostalgic feel, soft lighting, high-resolution textures, detailed backgrounds, interactive foregrounds.