How to Train Your Dragon Cheats - Xbox 360

Achievements
Complete each achievement to receive the allotted gamerscore:

All for One (15) - Win a fight with each default and Legendary dragons in 1 Player Arcade mode.
All Stars (90) - Have 4 level 25 dragons.
New Champion (10) - Win against the leader of the first Tournament.
Outstanding Competitor (10) - Earn a gold medal in any challenge on Normal difficulty.
Perfect (15) - Win 50 fights without being injured in 1 Player Arcade mode.
Perfectionist (15) - Have a dragon with 20 points in a characteristic in Story mode.
Precise (30) - Recreate 3 dragons in a row without mistakes in the Puzzle Dragon challenge on Expert difficulty.
Rich Harvest (15) - Gather 1,000 common ingredients.
Shepherd Dragon (30) - Bring back 5 brown sheep in a row in the Flying Shepherd challenge on Expert difficulty.
Shopping Master (30) - Spend 10,000 gold at the shop.
Success (15) - Earn a gold medal in each challenge.
Ally or Enemy? (10) - Import at least one dragon in Arcade mode.
Belong to the Legend (30) - Unlock all legendary dragons.
Brainy (30) - Perform 6 sequences in a row in the Memory Torch challenge on Expert difficulty.
Brave (15) - Win the fourth Tournament always fighting the highest rated opponent.
Commander (30) - Win 10 fights in a row in 1 Player Arcade mode on Hard difficulty.
Conqueror (15) - Win 100 fights in either 1 Player or 2 Players Arcade mode.
Cooking Master (15) - Buy all recipes from the shop.
Courageous (10) - Win against the leader of the second Tournament.
Daring (10) - Win against the leader of the third Tournament.
Dragon Doctor (15) - Have 4 dragons in a great shape in Story mode.
Duelist (15) - Win a wild fight.
Enlightened (15) - Gather 100 rare ingredients.
Exceptional Tamer (15) - Win 20 fights in 1 Player Arcade mode with a team of custom dragons from the Story mode.
Extreme Competitor (15) - Earn a gold medal in any challenge on Expert difficulty.
Fearless (10) - Win against the leader of the fourth Tournament.
Final Evolution (30) - Have a level 25 dragon.
First Step (5) - Win a fight in either Story mode or 1 Player Arcade mode.
Game Over! (30) - Win all the medals for all difficulty levels in each challenge.
Glory to Astrid (15) - Finish the Story mode with Astrid.
Glory to Hiccup (15) - Finish the Story mode with Hiccup.
Great Speaker (15) - Talk to every person on the island in Story mode.
In Feathers (15) - Catch 200 chickens.
In Great Shape (15) - Win the second Tournament without taking care of your dragons during it.
Invulnerable (90) - Win the final Championship with none of your dragons being KO.
Legendary Fighter (30) - Win all wild fights.
More Wild Meat (15) - Catch 200 sheep or boars.
They Are Alive! (15) - Win 20 fights in 1 Player Arcade mode with a team of dragons created with the Dragon Editor.
To Hit the Bull's Eyes (30) - Clear 5 checkpoint rings in a row in the Looping Race challenge on Expert difficulty.
Ultimate Customization (15) - Unlock all customizations of a dragon family.
Unstoppable (15) - Win the first Tournament without being defeated.
Valiant (15) - Win the third Tournament always fighting the lowest rated opponent.
Viking Gold (30) - Have 10,000 gold in Story mode.
Viking Inhabitant (30) - Play more than 20 hours in Story or Arcade mode (primary profile only).
Weapon Master (15) - Make a dragon finish all trainings.
What an Artist! (30) - Sculpt 10 ice blocks in a row in the Ice Sculpting challenge on Expert difficulty.
Young Competitor (5) - Earn a gold medal in any challenge on Novice difficulty.