Cuphead characters, Mugman, 2 players, cooperative gameplay, vintage cartoon style, rubber hose animation, vibrant colors, 1930s aesthetic, run and gun, side-scrolling, boss battles, challenging levels, whimsical music, hand-drawn backgrounds, watercolor textures, dynamic duo, action-packed, seamless teamwork, split-screen, shared health bar, retro gaming, power-ups, parry mechanic, local multiplayer, whimsical enemies, unique abilities, strategic combat, precise controls, platforming elements, iconic visual design.