1. make a strafejump in the room with a Megahealth item (demo).
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2. strafejump across the lava. It can be done either at run or on the spot (demo).
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3. In order to get at the special ledges over the red armor, you should jump at the jump-pad, then maneuver to the ledge by a strafe in the air (demo).
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4. you can get at the ledge over the yellow armor by a jump on the jump-pad and an acceleration in the air (demo).
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5. climbing the stairs you can make a shortcut to the RocketLauncher if you jump at the next staircase not coming up to the last column (demo).
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6. make a rocketjump at the column in the room with a Railgun (demo).
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7. make a rocketjump from the Plasmagun to the Railgun. It’s important not to touch the ceiling by your head (demo).