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