Cornerstone: The Song of Tyrim achievements

Unlock the ship

Craft a raft

Defeat the Rocklord

Finish the cutscene in Rockwell library

Throw and kill a chicken against the wall

Walk

Throw a sheep in the bottomless pit in Dune Cave

Complete the game without dying

Throw a sheep in the bottomless pit in the Veil

Kill a Rocklover with a book