Here is the full list of all 50 Risen achievements.
2000 monsters killed
300,000 gold coins obtained
"Defeat the Titan!" completed
"The Inquisitor is dead!" completed
"Find all the teleport stones" completed
100 locks picked
100% achieved in three attributes
"The fourth seal of rune magic" completed
100% achieved in an attribute
Every close combat talent learned
All crystals learned
Find Helmar's murderer completed
"The test of Master Ignatius" completed
"Pease and order" completed
Every Crafting profession learned
Every ranged combat talent learned
250 quests completed
100,000 gold coins obtained
100 weapons forged
"Secure the volcano keep" completed
"Esteban's return to Harbour Town" completed
"The Titan trap" completed
"Find all the vassal rings" completed
"Where is Patty?" completed
10 treasures found
500 monsters killed
20 tool bags collected in inventory
"The sons of Tilda" completed
20 wild boars killed
50 pockets picked
25 Jest spells used
Rescued the orge, Drok
"The mystery of the eastern temple" completed
"The legend of the Gyrger" completed
"A package for the Don" completed
1000 gold coins obtained
"Woman beater" completed
"Medicine for everyone" completed
The farmer's sick wife completed
"Power struggle" completed
Caught by the tideworm 10 times
Fell to death 3 times
10 grain plants collected
20 chickens killed
Found first bow
Seven grave moths killed
"Rescue Sara from the wilderbess" completed
Found first map in the game
Found way out of the first ruin
First monster killed