: Introduced features advanced for its time, including proximity mapping, night vision, infrared goggles, and morphing enemies.
: Files required to play Redbook audio (CD music) if the zip contains the disc image. File: corridor.7.alien.invasion.zip ...
: Set in 2024 at a secret research facility on Earth after a Mars-based artifact opens a portal for hostile aliens. : Introduced features advanced for its time, including
: Supported up to 8 players via IPX network for "Deathmatch" and cooperative play. Modern Availability & Remakes Corridor 7: Alien Invasion TC - Doomworld including proximity mapping