its very easy. the only thing you have to do is beat the time that you see when you have chosen a track. maybe you have to beat you're own time after that.
it is where you beat a ghost data by 7 seconds or more.
You have to beat the first ghost's time
ha ha loser
No!
You have to unlock 8 expert staff ghost data to unlock him
you have to get 7 seconds before the Nintendo ghost data
You unlock Baby Luigi by unlocking 8 Expert Staff Ghost Data in time trials.You unlock him by unlocking 8 expert staff ghost data, but you can also win 100 NWFC ghosts races. and of course being good at Mario kart !
No He is W-R-O-N-G, But it may be difficult not having the staff ghost data to know how far ahead you are of the staff's time
on time trails for one race track beat a normal ninendo staff ghost by like 7 seconds then it will say a fast staff ghost apperered happy
Unlock 1 Expert Staff Ghost Data in Time Trials
Expert, otherwise known as fast) staff ghosts apear when you beat the regular staff ghost by a certain time. (usually 4-10 seconds)
you half to beat the ghost on time trail by 7 second's or so and it will either say a fast ghost appeared but first it will say a ghost has been created for Mario