Corridor 7
| Corridor 7: Alien Invasion | |
|---|---|
CD cover art
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| Developer(s) | Capstone Software |
| Publisher(s) |
IntraCorp GameTek |
| Engine | Modified Wolfenstein 3D engine |
| Platform(s) | MS-DOS |
| Release | March 1994 |
| Genre(s) | First-person shooter |
| Mode(s) | Single-player, Multiplayer |
Corridor 7: Alien Invasion is a first-person shooter video game developed by Capstone Software and published by Intracorp and GameTek. It was widely ignored for its outdated Wolfenstein 3D engine, which was technologically surpassed by Doom at the time. A sequel, Corridor 8: Galactic Wars, was in development, but later cancelled.
The player takes control of the lone soldier who has infiltrated the alien invaded military base. Like all first-person shooters, the game is rendered from the player's perspective. Corridor 7 is not organized in episodes. Instead, there are 30 (floppy disk version) or 40 (CD version) levels to explore plus 6 more bonus levels. The gameplay slightly differs from that of most FPS games because the player, rather than finding an exit surviving the various enemies scattered around, is tasked with the duty of killing the aliens present on the level; once this objective is achieved he will be granted access to the next floor of the base through the lift by which he came at the starting point of each level. There are four skill settings available without manual input in the floppy disc version, which influences the percentage of aliens that need to be eliminated, and a fifth setting that is immediately available in the CD version which randomly scatters enemies and items throughout the game.
To help hunting down the aliens the player can activate the proximity map in one corner of the screen. This function shows a small section of the current level with all active aliens as yellow blips and can be expanded by finding the floor plan. Upon collecting this object the proximity map is extended to show the whole level and the position of every alien. On the corporal difficulty the full map is shown with no need to collect the floor plan.
Corridor 7 levels can be split into different blocks depending on their setting. The first twenty levels of Delta Base comprise a mix of offices, research labs, computer rooms and storage warehouses themed with appropriate decorations and furniture. Next comes the so-called alien converted floors: these 10 levels of Delta Base have been completely reorganized by the aliens who brought in their own devices and structures. The converted floors feature a darker light setting and the almost complete disappearance of human made equipment. A third section is made up by the six bonus levels accessible on specific levels throughout Delta Base using an alternate elevator. Such elevator is usually guarded by an alien boss. The total of these 36 levels makes up the original floppy disk release of the game. This version of Corridor 7 ends when the player destroys the Vortex on level 30. The CD version features 10 more levels: rather than destroying the Vortex, the player walks through it to reach the aliens' homeworld. The alien levels share some similarities with the alien converted floors, however the major difference is that no kill percentage is required to move on; an exit teleporter must be found instead.
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