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

Field hand (10 points): 10 grain plants collected.
Philanthropist (10 points): "Rescue Sara from the wilderness" completed.
Samaritan (20 points): "Medicine for everyone" completed.
Peacekeeper (30 points): "Peace and order" completed.
Fence (30 points): "A package for the Don" completed.
Ladies' man (10 points): "Woman beater" completed.
Sidelined (20 points): "Power struggle" completed.
The merciful one (10 points): The farmer's sick wife completed.
Wise man (20 points): "The test of Master Ignatius" completed.
Family man (20 points): "The sons of Tilda" completed.
Archaeologist (20 points): "The mystery of the eastern temple" completed.
Little hero (20 points): "Where is Patty?" completed.
Rune master (20 points): "The fourth seal of rune magic" completed.
Ghost hunter (20 points): "Find all the vassal rings" completed.
Beginner (10 points): First monster killed.
The brave little tailor (10 points): Seven grave moths killed.
Ferocious wild boars (10 points): 20 wild boars killed.
Terror of the hens (10 points): 20 chickens killed.
Beast slayer (30 points): 500 monsters killed.
Big game hunter (50 points): 2000 monsters killed.
Ogre friend (10 points): Rescued the ogre, Drok.
Hard worker (50 points): 250 quests completed.
Expert (20 points): 100% achieved in an attribute.
Workaholic (20 points): Every profession learned.
Mage (20 points): All crystals learned.
Gladiator (20 points): Every close combat talent learned.
Sharpshooter (20 points): Every ranged combat talent learned.
Master of the classes (30 points): 100 % achieved in three attributes.
Fervent swimmer (10 points): Caught by the tideworm 10 times.
The fourth triplet (10 points): 10 treasures found.
Idiot (10 points): Fell to death 3 times.
Jester (10 points): 25 Jest spells used.
Safecracker (10 points): 100 locks picked.
Weaponsmith (10 points): 100 weapons forged.
Master thief (10 points): 50 pockets picked.
Well-to-do (10 points): 1.000 gold coins obtained.
Moneybags (30 points): 100,000 gold coins obtained.
King Midas (50 points): 300,000 gold coins obtained.
Adventurer (10 points): Found way out of the first ruin.
Map reader (10 points): Found first map in the game.
Archer (10 points): Found first bow.
King of the handymen (20 points): 20 tool bags collected in inventory.

Additionally, there are eight secret achievements:

Master Detective (20 points): "Find Hemlar's Murderer" completed.
Death of a Legend (20 points): "The Legend of the Gyrger" completed.
Defender (20 points): "Secure the Volcano Keep" completed.
Freedom Fighter (20 points): "Esteban's Return to Harbour Town" completed.
Pandora's Box (20 points): "The Titan Trap" completed.
The Traveler (20 points): "Find All the Teleport Stones" completed.
Showdown (50 points): "The Inquisitor is Dead!" completed.
Titan Lord (50 points): "Defeat the Titan!" completed.