The Edge by Tim Willits.  A conversion of the first deathmatch level for Quake II, The Edge, by Tim Willits.  The level was originally built for the ill fated Quake Arcade Tournament Edition game, but was also released online for the PC as q1edge and q1edge_v1.  All three versions are treated in a single review feature.
Acrophobia [the fear of heights] was designed for Quake's initial release but was cut due to compilation problems and later surfaced in the N64 port of the game under the name The Count of Death.  The current PC version was tidied up and released for with slight modifications by then IonStorm's level designer David Namaksy.  You can read more about the N64 port of Quake, the other available versions and their differences here.

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