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