Dreamcast: Sonic Adventure Condition:Boxed You can play practice games

You can play practice games or a full NFL season

Earth's space fortresses

The evil Cliff Vandercave has kidnapped Pebbles and Bamm-Bamm

Endless Ocean is more freeform and just lets the player explore at their own pace

They're closing at Mach 5

Dreamcast: Sonic Adventure Condition:Boxed You can play practice gamesCenturies ago, the planet was bestowed the seven Chaos Emeralds. These emeralds were a source of unlimited power, and consequently it did not take long before wars broke out over who would control the Chaos Emeralds. There was also a Master Emerald, which was the controller of the Chaos Emeralds and could either negate or amplify the Chaos Emerald's power. One of the chao living near the shrine of the Emeralds accidentally made contact with the holy