Sega Smash Pack (Ecco the Dolphin / Golden Axe / Sonic Spinball) Includes Ecco the Dolphin, Golden Axe and Sonic Spinball Use Ecco&#8217;s sonar and instincts to save the world in Ecco the Dolphin Defeat Death Adder in Golden Axe Help Sonic defeat Dr. Robotnik in Sonic Spinball