Saints Row:
Being able to buy songs and put them in a custom playlist; I don't want to sit through shit like Woman-to-Woman to get to Some Kind of Wonderful.
Cruise control
A British main character
The Godfather:
The ability to take over businesses and rackets -- I love the whole mafia thing.
The ability to buy awesome suits
Enemies that drop health bottles
Hits
True Crime:
The ability to, in this case pretend to, be a cop and frisk random people for drugs, then arrest them
add more gogogogo