Resident Evil 4.
Seriously that game is so good, I have completed it 20 times and still play it.
When you beat the game it unlocks other mini games.
I now play using Ocarina codes for added fun.
I know you said arcade games but I had to advise you to get RE4.
Wii 3.2E Softmodded
Neogamma R7 used for USB loading
WD 250GB hd for USB loading