Pontiac GTO 2004-2006 - trans problems...

hey guys, i got an 04 gto m6. i snapped the drive shaft pinion bolts a couple weeks ago and now i cant get into 2nd, 3rd or 5th gears. is it possible that i took the tranny out with it? is it a common thing? if so, should i beef the tranny up or just get a 6060?

The driveshaft pinion bolts, meaning the ones that bolt it to the rear end?

How did it happen?
Wheel hop? Launch?

When you're driving the car, 1st, 4th, 6th and R work fine? How does the pedal feel?

Yea, there's these three bolts that go from the driveshaft to the pinion plate on the rear end.

I wanna say wheel hop. I was Rollin in 1st around 15 mph. Floored it and that's when the driveshaft snapped. When the car is running it wont go into 2nd 3rd or 5th. When the car is off, it will...