===Background===
'''Eidos Video Technologies''' was founded in 1990 as a video compression company, developing the RPL video format, which was later massively used in the company's games. In 1995, Eidos took over [[Domark Group|Domark]], Big Red Games, and [[Simis Limited|Simis Group]], merging them into '''Eidos Interactive'''. The Domark name was still used for one year after the demise. In 1996, Eidos acquired [[U.S. Gold|U.S. Gold]] along with [[Core Design|Core Design]]. In 2005, the [[SCI Entertainment Group|SCi Group]] bought Eidos and adopted its name, and in 2009, the Japanese company [[Square Enix]] purchased Eidos and turned it into Square Enix Europe. In May 2022, Embracer Group made a deal with Square Enix to acquire the assets of Square Enix Europe, which includes [[Eidos Montreal|Eidos-Montréal]], [[Crystal Dynamics]] and Square Enix Montreal.
{{ImageTOC
|Download (4).png|1st Logo (1995)
|Download (5)ZjoSk3BLtzAnSunohuHBOQ16437.png|2nd Logo (April 19, 1996-March 28, 2002)
|Download (6).png|3rd Logo (April 1997-January 9, 2003)
|Eidos InteractiveDownload (2002) (From - Hitman 2 Silent Assassin5).jpgpng|4th Logo (November 19, 2000-JuneMarch 2728, 20032002)
|DownloadEidos Interactive (72002) (From - Hitman 2 Silent Assassin).pngjpg|5th Logo (MarchNovember 2119, 20022000-AugustJune 27, 2003)
|Download (97).png|6th Logo (OctoberMarch 721, 20032002-JanuaryAugust 1827, 20062003)
|Download (89).png|7th Logo (DecemberOctober 27, 2003-January 18, 2006)
|Download (108).png|8th Logo (SeptemberDecember 92, 20052003)
|Download (1110).png|9th Logo (MarchSeptember 179, 2006-March 3, 20092005)
|Download (11).png|10th Logo (March 17, 2006-March 3, 2009)
}}
'''Availability:''' Seen on ''Lords of Midnight''.
===2nd Logo (April 19, 1996-March 28, 2002)===
<gallery mode="packed" heights="200">
Eidos Interactive (1996) (From - Master of Dimensions).jpg
8yUMLm1BDjl4VbUF0eH50Q18491.png
ZjoSk3BLtzAnSunohuHBOQ16437.png
Eidos Interactive (1998) (From - Tomb Raider Greatest Hits).jpg ▼
</gallery>
{{YouTube|id=MPE_gXSuY7Q}} ▼
'''Logo:''' On a black or white background, we see the still Eidos logo in either white, black or {{color|blue}}.
'''Logo:''' Many {{color|darkviolet|purple}} debris and chips move over a dark background. They come together, then disperse, then combine again into a cloud and form a {{color|#E0B0FF|light purple}} "EIDOS" logo in its corporate font, with "INTERACTIVE" below. Then the logo dissolves into fragments. ▼
'''Variants:'''
* The still white version on a black background is seen on several games, like the 1998 "Greatest Hits" release of the first ''Tomb Raider'' game for the PlayStation.
*On someSometimes, copiesthe ofbackground ''Tombis Raider'',white and the logo is clean {{color|blue}}. This is also seen on asome whitecopies backgroundof ''Tomb Raider''.
* On ''Speed Demons'', the still logo is surrounded by {{color|blue}} light.
* On ''Master of Dimensions'', the logo is black on white.
'''Technique:''' The moving fragmentsNone.
'''Music/Sounds:''' Whooshing sounds, followed by a quiet synth hum and a loud explosion soundNone.
'''Availability:''' Seen on some Eidos games from the late 1990s. Theuntil animated logo has appeared on Eidos games from 2000-2002. The last games to have this logo were ''Wave Rally'' and ''Blood Omen 2'' for the Xbox.
===3rd Logo (April 1997-January 9, 2003)===
Download (6).png
Eidos Interactive (1998) (From - Final Fantasy VII, PC).jpg
▲Eidos Interactive (1998) (From - Tomb Raider Greatest Hits).jpg
</gallery>
{{YouTube|id=7_nS8vz2Jfk|id2=kM_JNgErqvU|id3=AQ0CY82CIz4|id4=hfdWZZzK68E}}
'''Variants:'''
* There is a prototype variant of the logo where there is no bright flash at the beginning, and the {{color|blue}} water-like background is different. Plus, the logo is drastically larger, filling up almost the entire width of the screen. After the the logo forms, "PRESENTS" fades in under the logo. Then the whole logo, along with "PRESENTS", dissolves. A slowed-down and stretched version of this variant can be seen on ''Swagman''.
* On ''Conquest Earth: First Encounter'', the prototype logo fades into the [[Data Design Interactive|Data Design Interactive]] logo.
* There is a different logo on various games. The animation at the first ten approximate seconds is mostly the same, but there is no "PRESENTS" under the logo. There is no bright flash at the end, instead, the logo dissolves into debris. Then it cuts into a black screen a second later. Sometimes, it freezes and fades out after the animation finishes. The bright flash at the first split second is also slightly different (and it looks better).
* On Core Design games, the logo proceeds as normal (see above), but after the logo dissolves, it fades into the word "PRESENTS" placed on a space background, and the Core Design logo proceeds. This is seen on all the PlayStation and PC ''Tomb Raider'' games (except the first one), ''Fighting Force 1 & 2'', and other Core Design games for the PlayStation and PC. This variant was introduced on October 31, 1997 with the releases of ''Tomb Raider II'' and ''Fighting Force''.
*Sometimes, the background is white and the logo is clean {{color|blue}} and still.
'''Technique:''' CGI animation.
'''Technique:''' The bright flash, the moving letters "E-I-D-O-S", the "INTERACTIVE/PRESENTS" zooming under the logo, the bright flash at the end.
'''Music/Sounds:''' There are three known soundtracks to this logo:
*One of the last games to use this logo was ''Thunderhawk: Operation Phoenix'' (aka ''Thunderstrike: Operation Phoenix'' in North America and Japan).
===4th Logo (November 19, 2000-JuneMarch 2728, 20032002)===
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▲{{YouTube|id=MPE_gXSuY7Q}}
▲'''Logo:''' Many {{color|darkviolet|purple}} debris and chips move over a dark background. They come together, then disperse, then combine again into a cloud and form a {{color|#E0B0FF|light purple}} "EIDOS" logo in its corporate font, with "INTERACTIVE" below. Then the logo dissolves into fragments.
'''Technique:''' CGI animation.
'''Music/Sounds:''' Whooshing sounds, followed by a quiet synth hum and a loud explosion sound.
'''Availability:''' Seen on Eidos games from 2000-2002. The last games to have this logo were ''Wave Rally'' and ''Blood Omen 2'' for the Xbox.
===5th Logo (November 19, 2000-June 27, 2003)===
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Eidos Interactive (2002) (From - Hitman 2 Silent Assassin).jpg
'''Variant:''' On ''Hitman: Codename 47'', only the chequered floor or the fog is seen as the letters appear from above spinning in and landing. Here, the floor/fog doesn't fade out.
'''Technique:''' In-engine 3D animation.
'''Technique:''' The stormy clouds, the letters spinning and slamming down. All rendered in-engine.
'''Music/Sounds:''' Wind and thunder, followed by slams as the letters land, an echoing synth choir and droning sounds. The wind and thunder continue throughout. This was composed by Jesper Kyd, who also worked on the two games' soundtracks.
'''Availability:''' Rare. It only appears on ''Hitman: Codename 47'' and ''Hitman 2: Silent Assassin''.
===5th6th Logo (March 21, 2002-August 27, 2003)===
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Download (7).png
'''Logo:''' On a cloudy background with the sun far away, the {{color|lightgray|light silver}} letters "E-I-D-O-S" slide one-by-one into view, collecting together into a word, which rotates. The letters of "INTERACTIVE" appear below for left side to right. The logo hangs tilted a bit, but keeps slowly rotating.
'''Technique:''' TheCGI letters slidinganimation.
'''Music/Sounds:''' Whooshing letters and rotation noise.
'''Availability:''' Seen on games from the time, namely ''Praetorians'', ''Swingerz Golf'', ''Legacy of Kain: Blood Omen 2'', ''Republic: The Revolution'' and ''Tomb Raider: The Angel of Darkness''.
===6th7th Logo (October 7, 2003-January 18, 2006)===
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Download (9).png
*''Legacy of Kain: Defiance'': The logo is still, but after the show, it distorts and zooms away.
'''Technique:''' TheCGI logo rising from the wateranimation.
'''Music/Sounds:''' Water sounds, then a sound of flowing point, and one little "pimm!"-like sound. Sometimes a male announcer says "EIDOS!"
'''Availability:''' Seen on ''Thief: Deadly Shadows'', ''Hitman Contracts'', ''25 to Life'', ''Smart Bomb'', ''Get on da Mic'', and ''Project Snowblind''.
===7th8th Logo (December 2, 2003)===
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Download (8).png
'''Availability:''' Seen on ''Deus Ex: Invisible War''.
===8th9th Logo (September 9, 2005)===
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Download (10).png
'''Availability:''' Seen on ''Conflict: Global Terror''.
===9th10th Logo (March 17, 2006-March 3, 2009)===
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Download (11).png
'''Variant:''' On ''Urban Chaos: Riot Response'', the logo flickers over a big concrete-like figure on the background.
'''Technique:''' TheCGI chips and the logo movinganimation.
'''Music/Sounds:''' A long, fading, metallic whoosh.
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