You have to beat the game, then in freeplay you can select barricade.
the decepticon police car
U have to buy transformers Decepticons.
No, you cannot be the fallen on transformers on DS.
You can't. You have to beat the game and after choosing your location choose barricade as your character.
TRANSFORMERS DECEPTICONS automatically saves so don't worry about it
beat allspark wars
Follow Barricade past the police, down to the bridge and then Barricade and Bumble Bee transform and talk. Then defeat Barricade. His weakness is Ranged Secondary attacks.
Autobots-Optimus Prime, Bumblebee, Jazz, Ratchet, and Ironhide. Decepticons-Megatron, Starscream, Brawl, Blackout, Bonecrusher, Frenzy, and Barricade.
yes it save's automaticly after each mission.
Well I guess all the seekers
Transformers Decepticons happened in 2007.
It is really unknown of any decepticons that survived but since their was a huge decepticon army present in Chicago there's a chance that some decepticons survived such as Barricade, Igor, Scrapper, or Long Haul.