|N version||1.2 and later|
Method 1 (Easy)
This is not too difficult of a level. Pick a side and jump to the wall of the corresponding side. Then walljump off to get the first switch. If you angle yourself correctly and don't collide against the ceiling, you can land on that gold stash; then just walljump off to get the second switch. Otherwise, use the launchpad to get the second switch. Then make your way back up, wary of that gauss turret, and repeat on the other side.
Drop down the middle shaft to get the exit switch and then exit.