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