No
For Wii you have to be able to connect to wi-fi. Then go to friends and say register friend code.
No only Mario kart wii does that.All games utilize action replay codes. It isn't just Mario Kart Wii. Anything Datel has made an Action Replay for.
There are no cheats on Mario kart wii (unless you glitch that is). Other than that, there are shortcuts, just type Mario Kart wii shortcuts on youtube and watch.
I found some on YouTube... Here's the link:http://www.youtube.com/results?search_query=mario+kart+ds+glitches&search_type=&aq=2&oq=Mario+Kart+DS+
Rainbow Road includes some Mario Galaxy aspects, such as star bits. Also if you have a save file on your Wii with Super Mario Galaxy and Mario Kart Wii you can get a character.
Mario kart 64, and your mom's vagina
Here are the best codes: www.youtube.com/porkchop21 You should find the link to his website on some of the video descriptions where he hosts all of his codes.
I reccommend going to the Mario Kart wiki. There's way too many to mention here.
Like Mario Kart Double Dash you can unlock him and in some Mario Marioparties.
Get an SD card connect it to a computer/laptop first get home brew channel (u can find this on youtube) on your SD card then use a program called codemanager to enter codes ( u can find codes at some place called world of volder in the Mario kart section) load it all on the SD card and put it on the wii use a built in program called gecko hit start game and use the codes u entered!
Here are 2 Dgamer friend codes: (Note: Friend codes may not work.) Mine: Cdu94= o2k ypx My friend's Gdude987= 6yi 0x2 (or Ox2, I dont know which one.) Your welcome for some friend codes.
you cant you can only get them in some of the recent games i.e Mario kart or NEW super Mario bros