I am the Gate Keeper... the Keeper of Gates... the guy who keeps Bill Gates... The Gate of Keepers...
Now if only I could figure out what gate they are referring to and who is the keeper of said gate. Otherwise this is just a redux of Death (Green edition, not blue which is a redux of Ultimate Destruction).
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Gate Keeper is a Multiplayer level in Q2. This level has the same geometry as DEATH, though...