Mortal Kombat 3, Ultimate Mortal Kombat 3, Mortal Kombat Trilogy. Then there's the Street Fighter series. You had to buy the entire game over to get updates.Yep and there was Final Fight and you had to buy Final Fight Guy if you wanted to play Guy instead of Cody LMAO. And let's not get started with Genesis and their Sonic and Knuckles add on bullshit too.