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