|N version||1.3 and later|
Method 1: Speed
Jump to your left, and land on the lower platform. Grab the switch, and jump to the upper left platform. Grab the switch, return to the lower platform. Jump to the middle, and then jump to the lower right platform. Grab the switch Jump to the upper right platform, and grab that switch. Jump back down to the middle, collect the terminal key, and drop down to the door.
UPDATE: This image may help! Avidfanofn 23:03, 2 October 2008 (UTC)
Method 2: Gold
Jump down to the lower left platform with a switch. Tip over the edge and grab the left side of it. Wall jump away from the platorm to the wall on the side. Wall climb this wall and grab the second switch. From here, jump to the 45 degree slant on the left side of the central bottom structure, and jump to the wall on the left side, grabbing gold on your way. Jump back to one of the platforms that formerly had a switch on it, and return to the center. Go to the right side and repeat the process over there. Jump down the middle, collect the terminal key, and exit the level.