The story starts when Sonic is resting under the beach with Amy and Tails. Then suddenly, a giant red robot which is actually a Gundam appears and starts to cause destruction to the beach. The trio thinks it belongs to Eggman and prepares to battle. After the battle, the Gundam, Gelgoog, takes Amy captive, and flys off.
There are two types of gameplay. One is for the Sonic team and the other is for the Gundam pilots
In Gundam mode, you control the Gundam while being the selected pilot.
More to come.
- Nu Gundam
- Destiny (Unlockable)
- Strike Freedom (Unlockable)
- Justice (Unlockable)
- The O (Unlockable)