blue heart, Celeste game, pixel art style, vibrant colors, mountain background, snow-covered peaks, platforming action, character Madeline, pink hair, climbing pose, determined expression, retro aesthetic, 16-bit texture, side-scrolling view, ambient lighting, challenging gameplay, icy platforms, floating crystals, dynamic composition, mid-air jump, adventure atmosphere, indie game, atmospheric fog, magical environment, starry sky, night scene, soft glow, detailed pixel sprites.