Full list of all 45 Crimson Dragon achievements worth 1,500 gamerscore. It takes around 25-30 hours to unlock all of the achievements in the base game.
The base game contains 33 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 12 achievements worth 500 Gamerscore.
Scored "C" rank or higher on a mission in any difficulty mode
Started your first mission with Icarus Division
Killed 50 enemy creatures
Performed a barrel roll by leaning left or right
Kill 500 enemy creatures
Kill 200 enemies using only your dragon's main skill
Kill 200 enemies using only you dragon's secondary skill
Defeat 3 enemy bosses
Use a Regenerator to revive your dragon during any mission
Fire 3000 tracking missiles
Kill 2000 enemy creatures
Score an "A" rank during any mission in Classic mode
Collect 500 beacons
Purchase 1 Item Pack using credits or Jewels
Loot 1 rare item and 25 common items
Complete all missions for Coral Lake East, Coral Lake West and Underground Lake on any difficulty
Complete all story missions on Classic difficulty
Activate your wingman dragon communicator and issue a voice command
Use voice commands to navigate to the Shop, Inventory, and Dragon Roost
Earn a mission medal playing on any difficulty
Acquire all medals for every story mission in the game
Use 1 Ampoule during a mission
Use 10 Ampoules
Complete all missions for Forest, Ancient Ruins, and Lava Lake on any difficulty
Complete all story missions on Casual or Classic difficulty
Unlock a new skill by feeding your dragon
Evolve your first dragon
Collect 18 different Antibodies from creatures on Draco
Purchase 3 dragons from the shop
Achieve player level 5
Achieve player level 10
Achieve player level 20
Achieve player level 40
Multiplayer: Clear mission 25 times.
Multiplayer: Complete 1 multiplayer mission
Multiplayer: Complete 5 multiplayer missions
Multiplayer: Defeat the White Phantom 3 times
Multiplayer: Complete all multiplayer missions on any difficulty
Multiplayer: Score "S" rank 3 times
Achieve player level 50
Collect over 2,000,000 in credits in your account
Kill 10000 enemy creatures
Defeat bosses 10 times in "S" rank.
Use 25 regenerators to revive your dragon during missions
Use 100 ampoules