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