You unlock Dry Bowser
i don't think you can only if your friend has Mario kart ds
Get gold medals in all 150cc cups.
There is no vs mode just grand prix and time trial
you unlock it by unlocking all minigames except boss bash .
You beat all the mirror mode cups.
All you have to do is to beat the Lightning Cup in Mirror Mode. To unlock Mirror Mode you have to beat all the 150cc cups.
Play 16 different courses in Time Trials mode
In order to unlock Daisy, you must complete the 150cc Special Cup in Grand Prix mode.
You have to Unlock it by Winning all 150cc Cups. Does that help? Good!
Unlock 8 expert staff ghosts in Time Trials mode.
To get new courses, you have to unlock cups (2 in the nitro and two in the retro) by getting gold trophies in the starting cups. After you have unlocked all the cups in 150cc and gotten gold trophies in them, you can unlock Mirror (known as 'extra mode' in Mario Kart 64), which is flipped courses in 150cc mode.