Full list of all 65 Dragon Age II achievements worth 1,370 gamerscore. It takes around 60-80 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 3 DLC packs containing 15 achievements worth 370 Gamerscore.
Completed Dragon Age II.
Became the viscount of Kirkwall.
Defeated Meredith, knight-commander of Kirkwall's templars.
Used teamwork to perform a cross-class combo.
Completed a romance with one of your party members.
Sided with the mages five times.
Found and killed the ancient demon, Hybris.
Had 100 or more sovereigns in your purse.
Reached Level 20.
Completely upgraded the armor of one of your party members.
Found and killed a high dragon.
Defeated the Arishok.
Earned the friendship or rivalry of four party members.
Met Grand Cleric Elthina, Viscount Dumar, Knight-Commander Meredith, and First Enchanter Orsino.
Found and killed a varterral.
Found and killed the undying Xebenkeck.
Visited 10 caves in Kirkwall and the surrounding area.
Learned two class specializations.
Flirted with one of your party members to begin a romance.
Defeated the rock wraith on your expedition into the Deep Roads.
Mastered a weapon style.
Explored the Deep Roads.
Enchanted an item.
Reached Level 10.
Unlocked 100 codex entries.
Opened 50 chests.
Recruited four party members.
Gave a gift to one of your party members.
Earned the friendship of one of your party members.
Kicked the slavers out of your ancestral mansion.
Upgraded the armor of one of your party members.
Left Kirkwall to explore the outlying regions.
Toggled the map from day to night.
Acquired your first crafting recipe.
Became a resident of Kirkwall.
Allied yourself with the smugglers upon arriving in Kirkwall.
Upgraded a spell or talent.
Listened to Varric begin his tale of the Champion of Kirkwall.
Complete a full year in Kirkwall without any party member being knocked unconscious.
Become a partner in a Deep Roads expedition.
Craft all of the items from a single crafting tree.
Reach Kirkwall with each character class. Multiple playthroughs required.
Find every variety of crafting resources.
During each year in Kirkwall, discover 3 secret messages from the Band of Three.
Earn the rivalry of one of your party members.
Find all four chapters of "The History of the Chantry," by Brother Genitivi.
Earn the respect of an important adversary.
Ally with a certain group of mercenaries.
Sided with the templars five times.
Complete Dragon Age II twice, or complete it once with a save imported from Dragon Age Origins.
Confront the culprit behind the Vael family's murder.
Meet secretly with the agent of the Divine
Deal with the mercenaries that killed the Vael family.
Earn either a friendship or rivalry with Sebastian.
Give Sebastian a family heirloom.
Completed the main quest in the Vimmark Mountains with Bethany or Carver in the party.
Defeated an ancient evil in the Vimmark Mountains.
Applied three effects to Hawke's Key.
Completed every side quest in the Vimmark Mountains prison tower.
Killed a genlock, genlock alpha, hurlock alpha, bronto, and deepstalker in the Vimmark Mountains.
Defeated Duke Prosper, with or without Tallis.
Evaded vault security in Chateau Haine.
Lured and killed an alpha wyvern near Chateau Haine.
Tallis joined the party.
Disarm the fire traps in Chateau Haine's vaults.