Неиспользуемый контент

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Как и многие игры, Portal содержит огромное количество неиспользованных материалов, которые были вырезаны из игры на стадии разработки по различным причинам. Ниже предоставлен список предметов и других механизмов, которые попали под нож разработчиков.

Portal
Mechanics

Name	Notes
Crushers	The Crusher was featured in the Portal teaser trailer, but not included in the final game. It is a slow moving panel with spikes that descend from the ceiling when the player is underneath it. The crusher was included in some of the bonus chambers of Portal: Still Alive, and made an updated appearance in Portal 2.
Walking Turret	The Walking Turret, also known as the Moving or Mobile Turret, is a Sentry Turret variant cut from Portal. The turret had a personality construct design and the ability to roam through portals and shoot in a way identical to the single directional Sentry Turret that it was replaced with.

Weapons

Name	Notes
Alternate Portal Gun Designs	Early versions of Portal had Handheld Portal Devices that looked very different from the retail version. One iteration resembled a pistol, while a later version had a strong resemblance to Half-Life 2's Gravity-Gun.

Portal: Still Alive
Portal: Still Alive has the same unused content as the original game, with the exception of Crushers, which appear in the bonus chambers. However, Portal: Still Alive also contains some unused or cut content of its own.

Name	Notes
15th Bonus Chamber	Portal: Still Alive contains 14 bonus chambers. In the 14th chamber, the sign at the beginning shows the "cake" light on, which usually means there will be an escape sequence at the end of the chamber. But when the chamber is completed, the usual elevator ride occurs and the player is returned to the menu. However, an icon for a 15th chamber exists in the files, which shows a section of the escape sequence from the original Portal: The Flash Version MapPack, which Still Alive's bonus levels were based off of. Unfortunately, the actual map does not exist anywhere in the files, meaning the 15th chamber cannot actually be played.
Skull Cube	In Portal: Still Alive, Pedestal Buttons connected to cube droppers are given a different skin, with red lights on the sides and an image of a skull on top. A matching cube skin exists, but goes unused.

Portal 2
Персонажи

• Мел - изначальная версия протагониста в Portal 2', позже одна из двух испытуемых в режиме кооператива.
• Бетти - маленький робот, который перед тестированием снимает с себя обязательства Aperture Science.

Механизмы
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Название	Примечания
Вентиляционный вакуумный насос	Этот механизм был впервые предоставлен в [демонстрационном ролике] игры с похожим названием, который показывал возможность использовать мощный вакуум и затягивать любые объекты, попавшие под трубы. Этот механизм был вырезан из игры на последних стадиях разработки по неизвестным причинам.
Липучий гель	Этот гель позволял игрокам приклеивать что угодно в любое место, где был расположен этот гель. Он был вырезан из игры из-за того, что тестеры жаловались на неудобства при передвижении.
Отражающий гель	Этот гель позволял игрокам отражать термический луч подавленности и снимать эффект проталкивающего геля.
Glass Futbol (Стеклянный футбольный мяч)	Шар, вырезанный из кооперативного режима Portal 2. Суть в том, что Атлас и Пи-Боди играли друг против друга, закидывая предмет в гнездо для шара соперника. Таким образом ГЛэДОС хотела заставить их конкурировать между собой. Некоторые модели до сих пор можно обнаружить в файлах игры. Например, саму сущность (Entity), модели самого мяча и раздатчика. Также в файлах субтитров остались две реплики ГЛэДОС, которые должны были использоваться во время игры с шаром. Сам мяч имеет свойства стеклянного и взрывоопасного предмета. Вероятно, таким образом хотели усложнить процесс игры.

Name	Notes
Adhesion Gel	This mechanic was mentioned to allow players to stick to wherever the gel was placed. It was cut from the game when play-testers complained of motion sickness.
Android	In the "scripts" folder of Portal 2, a file called "npc_sounds_android" can be found. The file references sounds that were not shipped with the game, nor does attempting to spawn the npc yield any results.
Chicken	Not much is revealed of the chicken, but concept arts released revealed that a giant chicken may have been a boss for either the prequel to Portal or early stages of Portal 2. Minor evidence of the chicken's leftover files are in the "scripts" folder of Portal 2's directory files.
F-Stop	This mechanic was originally intended to be the primary handheld testing element for a prequel to Portal. The developers very much praised the concept but after the prequel itself received negative feedback from playtesters as they were expecting a sequel with the Portal Gun, the F-Stop project was canceled and it was decided to keep the mechanic disclosed to reserve for another potential game.
Futbol	The "futbol" was a gameplay mechanic that explodes on contact and is the original multiplayer gamemode for Portal 2; which was to carry the device around with portals and to frag other players by dropping these into their presence. The "futbols" also appear to have a dispenser model found in the game's files. The texturing of the "futbols" and its dispensers are similar to the texturing styles of Portal, indicating that this gamemode was cut very early in Portal 2's development. In the game's release, the "futbol" codes have been reused to create the Bombs in the single-player finale.
Hover Turret	The Hover Turret may have been intended for Portal 2, and its primary attack is a blue laser beam that brings a similar injury effect as the Thermal Discouragement Beam. No concept arts have been pinpointed to this turret variant, but a screenshot from the The Final Hours of Portal 2 reveals a group of personality cores on a ceiling railing that appear to be "hovering" versions of the Rocket Turret. Further tie in to this can be found in unused textures for the Pneumatic Diversity Vent's passive monitoring screens, showing a personality core with rockets inside to be dubbed as the Hover Turret. It can be spawned in-game, albeit without a proper model and AI. Spawn code: ent_create npc_hover_turret
Mannequins	The mannequins were used as a testing element for the F-Stop, similar as to how the Turrets were for the Portal Gun. According to the The Final Hours of Portal 2, the mannequins appear to be sentient robots that would later rise against Aperture Science in the prequel to Portal. Along with the prequel and F-Stop mechanic, the dummies were ultimately cut. A deactivated male crash dummy was kept in the release of Portal 2, used as a target for the Turrets' firing range.
Paint Fizzler	Paint Fizzlers are an unused fizzler variant which destroys gel instead of portals. Any gel will splatter on contact with the field, and cubes will be cleaned on contact. It does not affect the player. The particle left in the game (paint_cleanser) appears as a red version of the Portal 1 fizzler field. The entity is used in some maps to prevent players from placing gel on certain surfaces to cheat puzzles.
Pneumatic Diversity Vent	This type of mechanic was first introduced in a demo of the same name, displaying its abilities to pull objects at a high force. This mechanic is kept as a traveling system around the tube networks. Valve decided this element was not versatile enough to be included in any maps, but it is still fully functional.
Reflection Gel	The Reflection Gel replaced the Adhesion Gel in the Authoring Tools after Portal 2 received the Peer Review update. It was to act similarly to the Discouragement Redirection Cube, in that it could reflect Thermal Discouragement Beams. It remains unused for unknown reasons.
Rocket Turret	An enemy featured in Portal, the Rocket Turret was apparently to make a reappearance in Portal 2, as evidenced by files found the "scripts" folder of Portal 2's directory files. It can be spawned in-game, albeit without a proper model, missing sounds and somewhat broken AI. Spawn code: ent_create npc_rocket_turret
Zombie	In the "scripts" folder of Portal 2, a file called "npc_sounds_zombie_aperture" can be found. The file references sounds that were not shipped with the game, nor does attempting to spawn the npc yield any results.

Gamemodes

Name	Notes
Spite Your Neighbor	Described by Valve writer Erik Wolpaw as "speedball meets Portal", Spite Your Neighbor was going to be a competitive gamemode involving moving a ball from one side of a stage to the other using portals. Other players could use portals as well and "it quickly just devolves into pure chaos", says Wolpaw.

Weapons

Name	Notes
Paint Gun	An early version of Portal 2 retained the Paint Gun from the student project Tag: The Power of Paint, and it functioned in a similar manner of being able to spray certain types of paint for puzzle solving. The Paint Gun was removed from Portal 2, but was revived in the third-party retail modification Aperture Tag: The Paint Gun Testing Initiative, where it is the central mechanic.