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