Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

The Living Monument (20 points): Your Temple Guardian reaches Level 15.
The Dreadful (20 points): Your Inquisitor reaches Level 15.
Tyr Lysia's Hero (20 points): Your High Elf attaining Level 15.
Treehugger (20 points): Your Dryad attaining Level 15.
Vengeful Spirit (20 points): Your Shadow Warrior attaining Level 15.
Blessed (20 points): Your Seraphim attaining Level 15.
Legendary (25 points): Any Hero attaining Level 35.
Ambler (10 points): Any Hero reaching the Orc region and accepting a quest there.
Wanderer (10 points): Any Hero reaching the Dragon realm and accepting a quest there.
Journeyman (10 points): Any Hero reaching the Marshes of Hissil'Ta and accepting a quest there.
Adventurer (10 points): Any Hero reaching the Deserts of Bengaresh and accepting a quest there.
Globetrotter (10 points): Any Hero reaching the Jungle region and accepting a quest there.
Explorer (10 points): Any Hero reaching Dyr-Lain, the Isle of Dryads and accepting a quest there.
Discoverer (10 points): Any Hero reaching the Wastelands and accepting a quest there.
Ancaria's Lightbringer (40 points): Any Hero completing the Light Campaign.
Ancaria's Dark Lord (40 points): Any Hero completing the Shadow Campaign.
Diligent (25 points): Any Hero completed 20% of all sidequests.
Survivalist (30 points): You completed the campaign with a Hero who never died.
Dedicated (30 points): Any Hero completed the main quest without exploring more than 20 % of the map.
Dreadnought (30 points): Any Hero slayed 25 boss monsters.
Junior Cartographer (20 points): Any Hero has explored 30 % of the map.
Master Cartographer (25 points): Any Hero has explored 50 % of the map.
Tomb Raider (30 points): Any Hero has read 100 epitaphs (graves).
Polytheist (30 points): Any Hero has discovered all 20 temples.
Bookworm (30 points): Any Hero has read 33 Books.
Extremely Diligent (30 points): Any Hero completed 40% of all sidequests.
Ascaron Fan (30 points): Any Hero has found the secret halls of Ascaron.
City Guide (20 points): Any Hero has visited all 42 towns.
Group Hug (10 points): Any Hero fighting alongside 3 other heroes in multiplayer mode.
Hospitable (10 points): Host your first multiplayer game.
Hawker (10 points): You successfully traded with another user.
Expert (10 points): Any Hero has maximized one modification of one aspect.
Millionaire (20 points): Any Hero owning 1,000,000 gold.
Fashion Police (20 points): Any Hero wearing a complete armor set for the first time.
Annealer (10 points): Any Hero has forged something into an item for the first time.
Scrooge (30 points): Any Hero has completed the main quest without buying anything.

Additionally, there are twelve secret achievements:

Medicine Man (20 points): Any Hero has consumed 1,000 healing potions.
Beam Me Up! (10 points): You have used a teleporter for the first time.
Reputable (10 points): Any Hero attaining Level 5.
Lone Ranger (25 points): Any Hero traveled a distance of 200 miles on his special mount.
Combologist (10 points): Any Hero has executed his first combination.
Toughness (30 points): Any Hero reaching difficulty level Gold.
Heroic Perseverance (30 points): Any Hero reaching difficulty level Platin.
Easy Rider (10 points): Any Hero rides his special mount for the first time.
Legendary Perseverance (40 points): Any Hero reaching difficulty level Niob.
Slaughterer (30 points): Any Hero slayed 10,000 opponents.
Butcher (30 points): Any Hero slayed 1,337 elite monsters.
Dragonslayer (10 points): Any Hero has slain five Dragons.