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