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.
Listened to Varric begin his tale of the Champion of Kirkwall.
Acquired your first crafting recipe.
Became a resident of Kirkwall.
Allied yourself with the mercenaries upon arriving in Kirkwall.
Allied yourself with the smugglers upon arriving in Kirkwall.
Upgraded the armor of one of your party members.
Kicked the slavers out of your ancestral mansion.
Toggled the map from day to night.
Left Kirkwall to explore the outlying regions.
Gave a gift to one of your party members.
Earned the friendship of one of your party members.
Upgraded a spell or talent.
Reached Level 10.
Unlocked 100 codex entries.
Opened 50 chests.
Recruited four party members.
Used teamwork to perform a cross-class combo.
Mastered a weapon style.
Had 100 or more sovereigns in your purse.
Learned two class specializations.
Reached Level 20.
Became a partner in a Deep Roads expedition.
Explored the Deep Roads.
Defeated the rock wraith on your expedition into the Deep Roads.
Found and killed a varterral.
Found and killed the undying Xebenkeck.
Visited 10 caves in Kirkwall and the surrounding area.
Flirted with one of your party members to begin a romance.
Earned the Arishok's respect.
Defeated the Arishok.
Found and killed the ancient demon, Hybris.
Completed a full year in Kirkwall without any party member being knocked unconscious.
Enchanted an item.
Met Grand Cleric Elthina, Viscount Dumar, Knight-Commander Meredith, and First Enchanter Orsino.
Earned the rivalry of one of your party members.
Found all four chapters of "The History of the Chantry," by Brother Genitivi.
Earned the friendship or rivalry of four party members.
Defeated Meredith, knight-commander of Kirkwall's templars.
Found and killed a high dragon.
Crafted all of the items from a single crafting tree.
Became the viscount of Kirkwall.
Completely upgraded the armor of one of your party members.
Reached Kirkwall with each character class across multiple playthroughs.
Found every variety of crafting resources.
During each year in Kirkwall, discovered 3 secret messages from the Band of Three.
Completed a romance with one of your party members.
Completed Dragon Age II.
Sided with the mages five times.
Sided with the templars five times.
Completed Dragon Age II twice, or completed it once with a save imported from Dragon Age Origins.
Met secretly with the agent of the Divine
Gave Sebastian a family heirloom.
Earned either a friendship or rivalry with Sebastian.
Confronted the culprit behind the Vael family's murder.
Dealt with the mercenaries that killed the Vael family.
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.
Disarmed the fire traps in Chateau Haine's vaults.
Evaded vault security in Chateau Haine.
Lured and killed an alpha wyvern near Chateau Haine.
Tallis joined the party.