Here is the full list of all 25 Spirits of Xanadu achievements.
Beat the game without dying
Beat the game in 10 minutes or less
Stay aboard the Xanadu
Fly the Xanadu into a star
Obtain every page
Obtain every audiolog
Destroy 3 bots in 2 seconds or less
Obtain every weapon
Find and read "The Unusual Death of Governor Li"
Become king of the zombies
Boil away all the water and burn the toast
Unlock the bonus mini-games
Get killed by the environment
Put every toilet seat up
Destroy a robot with the showers
Fly the Xanadu back to Earth
Eat every donut
Read every e-mail
Smoke yourself to death
Experience an attack of flatulence
Get drunk
Score a basketball goal
Destroy every cleaner bot
Scan the Xanadu with the Survey Bot
Get killed by the suicide droid