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Template:Unreferenced Karaoke Revolution and its many sequels are video games for the PlayStation 2, PlayStation 3, Nintendo GameCube, Wii, Xbox, and Xbox 360, developed by Harmonix Music Systems and Blitz Games and published by Konami in its Bemani line of music games. Technology and concepts from the game were subsequently incorporated into Harmonix's game Rock Band.

The Japanese versions of the game are developed by Konami themselves. The gameplay also differs significantly. Rather than a game per se, it is merely a karaoke system for the PlayStation 2, with no judgements.

Image:KRVAIscreen1.jpg

The game does not attempt to understand the singer's words, but instead detects their pitch. As such, singers can hum to a song or sing different lyrics without penalty. The game adapts to the player singing in a different octave than the song, to accommodate players whose vocal ranges do not fit the song.

The songs in the game are covers (not performed by the original artists, but similar to the originals) of pop hits frequently sung in karaoke bars. This contrasts with the SingStar series from Sony Computer Entertainment Europe, which features only original artist recordings along with the music videos, where available.

Gameplay

The player is depicted as a character on-screen performing at a public venue. The words to the song scroll right-to-left at the bottom of the screen, above a piano roll representation of the relative pitches at which they are to be sung (the game calls these "note tubes"). At the left end of this area, a "pitch arrow" shows the pitch which the player is singing and provides feedback on whether (s)he's hitting the notes. A "crowd meter" shows the mood of the crowd as the player sings; if s/he does a good job of hitting notes on-pitch then the crowd will cheer more loudly and clap in rhythm with the song, and the scene will become more vividly animated. If the crowd meter falls all the way to the lowest rating, the audience will boo the character off-stage and the game is over.

Each song is divided into approximately 30 to 50 "phrases". A meter will fill up and turn from red to green for each phrase, based on how well the player sings the right notes; if the player can fill the meter to green, (s)he will score more points, and getting several greens in a row will create a "combo" and award a 2x score multiplier until the player fails to make green on another phrase. This blue meter resembles how long you should hold the note for and at what pitch. The game can be set at higher difficulties which make this meter larger and require the player to hit the right notes more precisely to fill it to green.

Since maximum scores for each song are normalized 50,000 regardless of difficulty, overall scores on songs can be compared. To achieve the gold record for a song, 12,500 points must be achieved. To achieve the platinum record for a song, 20,000 points must be achieved. Winning records will unlock additional characters, outfits, and songs. In Karaoke Revolution Party and Karaoke Revolution Presents: American Idol, 50,000 points (a perfect score) earns a diamond record. In Karaoke Revolution Presents: American Idol Encore the point system was changed so that 60,000 points gives a platinum record for a song and 100,000 points is a perfect score (diamond record).

Karaoke Revolution Volume 2 introduces a "medley mode" which challenges the player to sing a string of short clips from various songs.

Karaoke Revolution Volume 3 introduces "duet mode" which lets two singers play simultaneously. It also revised scoring so that perfect performances result in exactly 50,000 points (with the exception of the Jackson 5's "ABC").

Karaoke Revolution Party features minigames, support for the EyeToy camera, and a "Sing and Dance" mode which utilizes the dance pad controller.

Karaoke Revolution Presents: American Idol utilizes American Idol judges, commentary, and stages.

Releases

Image:Karaoke revolution games for PS2.jpg Many expansion discs are available for the Japanese version of the game, including an anime song collection and several volumes of J-Pop.

The North American version of Karaoke Revolution was released in November, 2003 on PlayStation 2 version in a bundle with the Logitech headset attachment. The game was sold without the headset in February, 2004. The European version of the game, titled Karaoke Stage, was released on April 22, 2005. 'Karaoke Stage 2' contains the same songs as 'Karaoke Revolution Party'. The Xbox version was released in November, 2004 featuring four more songs that was present in Karaoke Revolution Volume 2 and 10 exclusive Motown songs which are the original non-cover versions. The Xbox version also supports Xbox Live for downloads of more songs.

Karaoke Revolution Volume 2 was released in North America on July 13, 2004 on PlayStation 2.

Karaoke Revolution Volume 3 was released in North America on November 9, 2004 on PlayStation 2.

Karaoke Revolution Party was released in North America on November 8, 2005 on PlayStation 2, Xbox and Nintendo GameCube. The Xbox version was the only version to feature downloadable songs from Xbox Live.

CMT Presents: Karaoke Revolution Country was released in North America on March 28, 2006 on PlayStation 2.

Karaoke Revolution Presents: American Idol was released in North America on January 2, 2007 on PlayStation 2.

• Simon Cowell, Randy Jackson, and Ryan Seacrest lent their voices and allowed their names and likenesses to appear in the game, but Paula Abdul did not and was replaced by a judge named Laura who was voiced by a lesser known voice actress Kenna Kelly.

Karaoke Revolution Presents: American Idol Encore was released in the North America on PlayStation 2, Wii, and Xbox 360 on February 5, 2008, and was released to Canadian retailers on February 17, 2008, with the PlayStation 3 version released in North American on March 4, 2008. The PlayStation 3 and Xbox 360 versions were the only ones that featured downloadable songs. On May 14, 2008, there are no more new downloadable songs for either PlayStation 3 and Xbox 360 version. New downloadable songs will continue with the sequel, Karaoke Revolution Presents: American Idol Encore 2.

• In addition to Simon Cowell and Randy Jackson, Paula Abdul's name, voice, and likeness appear in this title for the first time. Ryan Seacrest did not return to voice himself as the host. He is replaced with a lesser known voice actor Johnny Jay to voice as the host of American Idol for this game.

• The PlayStation 3 version is the only one that has all downloadable songs available on the PlayStation Network marketplace. The Xbox 360 version has six songs discontinued from the Xbox Live marketplace for undisclosed reasons. On November 18, 2008, the downloadable song "I'll make Love To You" became available again in the Xbox Live marketplace.

Karaoke Revolution Presents: American Idol Encore 2 was released on November 18, 2008 in the United States on PlayStation 3, Xbox 360 and Wii. Songs downloaded from Xbox Live Marketplace for the first Encore game on Xbox 360 are compatible with Encore 2. The previous downloadable songs for the first Encore game on PlayStation 3 downloaded from the PlayStation Store will be automatically imported to Encore 2. However, there are some problems with the imported songs. One known problem is that the new downloadable song "Heartbreaker" will show as corrupted if you have all 148 imported songs from the previous Encore game. PlayStation 3 owners will need to delete the entire Game Data Utility from the first Encore game and download only the songs they like that will get imported to Encore 2. Only then, the "Heartbreaker" song will be playable and non-corrupted. As of December 23, 2008, there will be no more new downloadable songs.

Four different microphones were released for the game:

• The original microphone included with the first Karaoke Revolution game is a headset model, and is compatible with the PlayStation 2, PlayStation 3, Wii, and Xbox 360.
• An updated microphone model was included with future Karaoke Revolution games, and is also used for Karaoke Stage, the European edition, and is compatible with the PlayStation 2, PlayStation 3, Wii, and Xbox 360. It is a standardized microphone that is also compatible with other games (such as Rock Band, Boogie, and High School Musical: Sing It)
• An Xbox-compatible microphone was included with versions of Karaoke Revolution for Xbox. It plugs into a memory card/headset port on the controller.
• A GameCube-compatible microphone was included with Karaoke Revolution Party for GameCube. It plugs into the memory card slot. It is a standardized microphone that is also compatible with other games (such as Mario Party 6)

The SingStar microphones are not compatible with Karaoke Revolution though un-officially, do work on the PS3 version of the game.

Reception

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