Full list of all 35 Tornado Outbreak achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Complete Chicken Con Carnage
Complete Double Wide Damage.
Complete Military Mayhem
Complete High Roller Blowout
Complete Carnival Chaos
Complete Ringling Village
Complete Camelot Falls
Complete Coastal Calamity
Completed Showdown with Omegaton
Perform a Stone Stomp that destroys 10 objects
Complete a Vortex Race with a bronze medal.
Complete a Vortex Race with a silver medal.
Complete a Vortex Race with a gold medal.
Miss 20 gates, but still complete the race
Absorb all 50 Fire Flyers within the last zone of the campground
Reveal 15 Fire Flyers at once without grabbing
Absorb 100 Fire Flyers at once
Absorb 75 Fire Flyers at once
Absorb 50 Fire Flyers at once
Play in a local multiplayer session
Release an Orb in multiplayer
Release an Orb without losing a Wind Warrior during a Totem approach
Absorb 1300 Fire Flyers
Absorb 50 chickens
Destroyed 100 things without absorbing any Fire Flyers
Absorb the minimum number of Fire Flyers in a non-tutorial level (non multiplayer)
Military Mayhem Zone 1: Absorb 17 scientists before growing 4 times (non multiplayer)
Hold at least 20 Fire Flyers before destroying 25 things
Complete all levels in the United States.
Completed all levels in the United Kingdom.
Completed all levels in Japan.
Disrupted the bad man's bad plan
Destroy a cannon
Unlock first bonus material
Unlock all bonus materials