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http://dookiecakes.blogspot.com/2009/08/spotlight-ps1-first-person-shooters.html
Powerslave, down the bottom.
Daylight, 3 "pots" and a door that leads into a big room.

Duke 3D.

http://www.youtube.com/watch?v=H6JcZv3wPuU
3 Barrels at the start, The cinema door leads to a big building, stating box area.