This list of previously released Alien(s) related games was started by Willie Goldman. 
If anyone has any additions, feel free to add them and we'll update the FAQ accordingly.
Where possible release date, platform (PC, game console, etc.) will be added. Emulator 
information may be added if an older game is not readily available for purchase.
======================================================
I can do a little write up of all the Aliens-related games made so far...
Just a small sample:

http://www.peoww.co.uk/bughunting-part-one/http://www.peoww.co.uk/bughunting-part-two/Some rarities:
http://www.1up.com/news/lost-aliens-movie-nintendo-gamehttp://www.destructoid.com/so-square-ma ... 1596.phtmlhttp://www.youtube.com/watch?v=KWwbWg7uxyE==========================================
Space InvadersPublisher: Bally
Developer: Bally
Platform: Coin Operated Arcade, Pinball
Year: 1980
While it doesn't "officially" have an Alien name, the cabinet,
playfield and backbox art were all designed by Alien designer,
H.R. Geiger, and the lineage to the first Alien film is pretty 
obvious.  
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	 AlienPublisher: Fox Video Games
Developer: 
Platform: Atari 2600
Year: 1982
Pac Man style maze game where you run around destroying Alien eggs.
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AliensPublisher: Activision, Mastertronic (republished)
Developer: 
Platform: Commodore 64, ZX Spectrum, Apple IIe, Amstrad CPC
Year: 1986
"Side scrolling" (although you could move in many directions freely)
action adventure game where you play as Ripley during the course
of the film scenarios, ending with a powerloader fight with the Alien 
Queen.
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	 AliensPublisher: Electric Dreams Studios
Developer: Software Studios  
Platform: Amstrad CPC, Commodore 64, MSX, ZX Spectrum
Year: 1986
Realeased the same year as the Activision version, the game is not the same as the US version.
AliensPublisher: Squaresoft
Developer:   
Platform: Sega MSX, Nintendo Famicon
Year: 1987
Released only in Japan. Side scrolling platform shooter.
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	 AliensPublisher: Konami
Developer: 
Platform: Coin Operated Arcade, JAMMA platform
Year: 1990
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	 Alien3Publisher: Acclaim
Developer: 
Platform: Super Nintendo (16 bit), Sega Genesis (16 bit)
Year: 1993

Alien 3: The GunPublisher: Sega
Developer: 
Platform: Coin Operated Arcade
Year: 1993
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	 Operation AliensPublisher: Tiger
Developer: 
Platform: Dedicated Handheld unit.
Year: 1993
LCD screen handheld unit.
Alien vs PredatorPublisher: Activision
Developer: Rebellion
Platform: Super nintendo (SNES)
Year: 1993
The game is a side-scrolling beat 'em up where the player takes on the role of the 
Predator as they move through levels fighting Alien Drones, Warriors, Chestbursters 
and Facehuggers. The game has six levels (although some are split into two or three 
separate points) and has a boss Alien for each level. 
This game is NOT a console conversion of the Capcom arcade game.
Alien vs Predator (Unreleased Prototype)Publisher: Atari
Developer: Rebellion
Platform: Atari Lynx handheld Console
Year: 1993
They attempted to create Aliens vs Predator for the Atari Lynx handheld,
but the game was never finished. The game is a 3D shooter similar to the 
Jaguar console version. The Alien mode wasn't added and only the 
Marine and Predator were playable. The game was appx. 85% complete when 
the project was cancelled.
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	  Alien vs PredatorPublisher: Atari
Developer: Rebellion
Platform: Atari Jaguar Console
Year: 1994
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	 Alien vs PredatorPublisher: Capcom
Developer: 
Platform: Coin Operated Arcade, JAMMA CPSII (CPS2) platform
Year: 1994
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	 Alien TrilogyPublisher: 
Developer: Acclaim/Fox Interactive
Platform: Playstation (1), PC
Year: 1995
First person "Doom clone" that loosely follows the plot of the 
first 3 films.
Aliens vs PredatorPublisher: 
Developer: 
Platform: PC (Windows 95)
Year: 1999
Aliens vs Predator: Gold EditionPublisher: 
Developer: 
Platform: PC (Windows 95)
Year: 2000
Basic game plus expansion pack.
Alien ResurrectionPublisher: Fox Interactive
Developer: 
Platform: Playstation (1)
Year: 2000
Aliens vs Predator 2Publisher: Sierra
Developer: Monolith
Platform: PC (Windows 95)
Year: 2001
Widely regarded as the best AvP game released.
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	 Aliens vs Predator 2: Primal Hunt Expansion PackPublisher: Sierra
Developer: Monolith
Platform: PC (Windows 95)
Year: 2002
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	 Aliens vs Predator 2: Gold EditionPublisher: Sierra
Developer: Monolith
Platform: PC (Windows 95)
Year: 2003
Basic Game plus Primal Hunt Expansion
Aliens vs Predator: ExtinctionPublisher: Electronic Arts
Developer: 
Platform: Xbox, Playstation 2
Year: 2003
Real Time Strategy game with Aliens, Predators and Marines.
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	 Aliens vs Predator: RequiemPublisher: Sierra
Developer: 
Platform: PSP (Playstation Portable UMD)
Year: 2007
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	 Aliens: ExterminationPublisher: Global VR
Developer: Global VR
Platform: Coin Operated Arcade, Dedicated PC Platform
Year: 2007
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	 Aliens vs. PredatorPublisher: SEGA
Developer: Rebellion Oxford
Distributor: SEGA, Valve Corporation, 20th Century Fox
Platform: Microsoft Windows, PlayStation 3, Xbox 360
Year: February 16, 2010 (US), February 19, 2010 (EU)
First person shooter expanding on the universe with slightly 
"updated" equipment/weapons styling.
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	 Aliens InfestationPublisher: SEGA
Developer: WayForward technologies, Gearbox
Distributor: 20th Century Fox
Platform: Nintendo DS (Portable)
Year: September 29, 2011 (UK), October 11, 1011 (North America)
Gameplay of Aliens Infestation is comparable to the Metroid and Castlevania video games, 
where players are encouraged to search and backtrack for weapons, upgrades, and keys. 
The player controls one of a party of four marines and explores the U.S.S. Sulaco as well as 
LV-426 and Phobos in order to investigate the Union of Progressive Peoples (UPP) and 
Weyland-Yutani's involvement in Xenomorph development. If a marine falls in battle, 
another in the party will take their place. The player loses if the entire party is wiped out. 
Fallen characters can be replaced with any of fifteen displaced marines found throughout 
the game, each with their own unique dialog.
2D sidescrolling shooter.
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	 Aliens: Colonial MarinesPublisher: Sega
Developer: Gearbox, 
Platform: PC (Windows XP, 7, 

, Xbox360, Playstation 3
Year: 2013!!
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	 Alien IsolationPublisher: Sega
Developer: Creative Assembly
Distributor: 20th Century Fox 
Platform: PC (Windows 7, 

, PlayStation 4, Xbox 360, Xbox One, PlayStation 3
Year: October 7th, 2014
Alien: Isolation is a first-person survival horror stealth video game. The game is set in 2137, 15 years after 
the events of Alien and 42 years prior to Aliens. The game follows Amanda Ripley, who is investigating the 
disappearance of her mother. Amanda is transferred to the space station Sevastopol to find the flight 
recorder of the Nostromo only to discover an Alien has terrorized the station and killed the vast majority 
of the crew.
Pre-orders gave the buyer the "Crew Expendable" extra mission where you could play as Ripley, 
Dallas or Parker on the Nostromo.
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