From the back of the box
"The ultimate conflict begins!"
As the Transformers war rages on, the heroic Autobots find themselves on the brink of defeat. Their last hope is to race to Earth and power up with the advanced weaponry of the Mini-Con robots. Only then will they stand a chance against the evil Decepticons and the massive Decepticlone army. Join the fight for good and battle to save the Universe!
Play as Optimus Prime, Red Alert, or Hot Shot
Power up with 40+ unique weapons and combat abilities
Battle legendary Decepticons including Megatron and Tidal Wave."
This game is based on the Transformers: Armada universe, and was initially to be titled "Transformers Armada: Prelude to Energon". An unpublished PC version was in development by Midway Games.