Bad UI in action: 11 clicks to quit Assassin's Creed
videosift.com
videosift.com
Basically, you just walk right up to the person you're going to assassinate, press a mouse button to kill them, then run around a city randomly for a minute or two to lose the heat. Repeat.
And quitting on the 360 just takes one step: turning off the console, no save necessary.