Here is the full list of all 12 Type:Rider achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
Finish the secret level
Finish the game
Make seven wall jumps in a row
Make a 360° in the air
Find one ampersand
Retrieve all six asterisks in one chapter
Collect all letters
Retrieve all asterisks
Locate the eight hidden ampersands
Share a post on Facebook or Twitter
Read all the books
Finish the Clarendon level without dying