Full list of all 19 Far Cry 3 Blood Dragon achievements worth 400 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Xbox 360.
Finished Final Showdown
Reach Maximum Level and Become the Ultimate Badass
Destroy 5 Braincages
Find all of Dr. Carlyle's Notes
Find all TV SETS to Decrypt the Hidden Message
Kill all the Animal Types
Finish all the Hostages Situations
Finish all the Predator's Path Quests
Find all VHS Tapes
Finish all the Garrisons
Jump Down from 50 Meters
After saving Darling, enter Combat Mode with a Dragon and Return to Stealth
Kill Your First Dragon
Finished First Garrison
Finished Helicopter Entry
Kill a Dragon with the Bow
Kill 25 Dragons
Own all Weapons Attachments
Headshot Every Type of Enemy