Undertaker
Discover the Assassin's Tomb inside the catacombs under Santa Maria Novella.
5/24/2010
8:34:20 AM
Common 70.6%
Tip of the Iceberg
Use your Eagle Vision to scan a Glyph in the environment.
5/23/2010
4:58:24 PM
Common 67.8%
High Dive
Perform a Leap of Faith from the Top of Florence's Giotto's Campanile.
5/23/2010
1:56:57 PM
Common 50.9%
Mathemagician
You had the multiplier maxed out for so long I forgot that it changes!
3/8/2010
7:19:27 PM
Very Rare 5.3%
Bizzy Bear
All the animals in Alaska now respect your snow shredding prowess.
3/3/2010
2:44:47 PM
Ultra Rare 3.9%
Frequent Flyer
All the challenges on each mountain have been completed.
3/2/2010
5:58:53 PM
Ultra Rare 3.1%
Dizzy
You make a strange looking helicopter when you spin that much.
3/2/2010
5:10:29 PM
Ultra Rare 4.7%