Full list of all 45 Diablo III achievements worth 1,000 gamerscore. It takes around 60-80 hours to unlock all of the achievements on Xbox 360.
Equip all Inventory slots with items that have a minimum required level of 25 or higher.
Complete all the main character, follower, and artisan conversation challenges.
Kill 100 Treasure Goblins.
Raise the Blacksmith to level 10.
Pick up 500,000 gold.
Complete all quests in Act IV.
Kill Diablo in Normal mode.
Complete all quests in Act III.
Kill Azmodan in Normal mode.
Reach level 30.
Complete all quests in Act II.
Kill Belial in Normal mode.
Combine gems.
Fully equip one of your followers.
Kill 500 elite (champion, rare, or unique) enemies.
Kill Maghda in Normal mode.
Recruit the Templar, Scoundrel, and Enchantress.
Complete all quests in Act I.
Kill the Butcher in Normal mode.
Craft 5 items.
Use a merchant to repair an item.
Equip a rare (yellow) item.
Kill the Skeleton King in Normal mode.
Reach level 10.
Kill one of the unique enemies listed in the Never Seen That Before Challenge.
Equip a legendary (orange) item.
Reach level 60.
Reach level 30 in Hardcore mode.
Kill the Skeleton King in Inferno mode.
Kill the Butcher in Inferno mode.
Kill Maghda in Inferno mode.
Kill Belial in Inferno mode.
Kill Azmodan in Inferno mode.
Kill Diablo in Nightmare mode.
Kill Diablo in Hell mode.
Kill Diablo in Inferno mode.
Complete all the Butcher triumph challenges.
Complete all the Belial triumph challenges.
Complete all the Azmodan triumph challenges.
Complete all the Diablo triumph challenges.
Equip all Inventory slots with items that have a minimum required level of 60 or higher.
Buy each type of item from merchants.
Raise the Jeweler to level 10.
Pick up 5,000,000 gold.
Buy all stash upgrades.