Is it?

[Hallnavy]

Is the Mic used on Wi-Fi in Mario Kart?

 

[The Thrashmeister]

Not on Wi-Fi, no. The only feature that actually uses the Mic is the Balloon Battle mini-game, if I recall correctly.

 

[Kasaioni]

Yea, on NSMB, what games actually use the mic?

 

[Cor]

Yea, on NSMB, what games actually use the mic?

Electroplakton

 

[Kasaioni]

Oh, is that it?

 

[Wandering Rhythmical Phoenix]

Nintendogs uses the Mic. So does Brain Age, but non other come to mind

 

[The Thrashmeister]

Diamond/Pearl? Metroid Prime: Hunters? Lost in Blue?

 

[Wandering Rhythmical Phoenix]

Diamond/Pearl? Metroid Prime: Hunters? Lost in Blue?

And after that I rememberd a big one:
Phoenix Wright