Wired? Get a wireless controller and wireless receiver for it and you'll see the top of the mountain.
GBAtemp.net - The Independent Video Game Community
Sicklyboy
Hyro-Sama
I got a wireless and reached the mountain top. 
Sicklyboy
HHnnggg bro you so good. The question that needs to be asked for no particular reason - Did you get the official adapter or a Chinese one (what I have)?
Hyro-Sama
I bought it at retail so it's the official one. (I hope. . .)
Sicklyboy
Sheeeeeit you're out of control. Yeah if you bought it retail it's official.