Dance Dance Revolution has been met with critical acclaim for its originality and stamina in the video game market, as well as popularizing the use of videogames as a medium for fitness and exercise. There have been dozens of arcade-based releases across several countries and hundreds of home video game console releases, promoting a music library of original songs produced by Konami's in-house artists and an eclectic set of licensed music from many different genres. The game is also known for its passionate fanbase, as well as its growing competitive tournament scene. The DDR series has also inspired similar games such as Pump it Up by Andamiro and In the Groove by Roxor Games.
The core game involves the player stepping their feet to correspond with the arrows that appear on the screen and the beat of the song playing. During normal gameplay, arrows scroll upwards from the bottom of the screen and pass over a set of stationary arrows near the top (referred to as the "guide arrows" or "receptors", officially known as the Step Zone). When the scrolling arrows overlap the stationary ones, the player must step on the corresponding arrows on the dance platform, and the player has been given a judgment for their accuracy of every streaked note (From highest to lowest: Marvelous,[a] Perfect, Great, Good, Almost,[b] Miss[c]).
Additional arrow types were added in later mixes. Freeze Arrows, introduced in MAX, are long green arrows that must be held down until they completely travel through the Step Zone. Each of these arrows awards an "O.K.!" if successfully pressed or an "N.G." when the arrow is released too quickly. An "N.G." decreases the life bar and, starting with X, also breaks any existing combo. X also introduced Shock Arrows, walls of arrows with lightning effects that must be avoided, which will award an "O.K.!" if successfully avoided or an "N.G." if any of the dancer's panels are stepped on. An "N.G." for shock arrows has the same consequences found with freeze arrows, but hitting a shock arrow additionally hides future steps for a short period.
Successfully hitting the arrows in time with the music fills the "Dance Gauge", or life bar, while failure to do so drains it. If the Dance Gauge is fully exhausted during gameplay, the player will fail the song, and the game will be over. Otherwise, the player is taken to the Results Screen, which rates the player's performance with a letter grade and a numerical score, among other statistics. The player may then be given a chance to play again, depending on the settings of the particular machine. The default limit is three songs, though operators can set the limit between one and five.
Aside from play style Single, Dance Dance Revolution provides two other play styles: Versus, where two players can play Single simultaneously, and Double, where one player uses all eight panels. Before the 2013 release of Dance Dance Revolution, some games offer additional modes, such as Course mode (players must play a set of songs back-to-back) and Battle mode (two players compete with a tug-of-war life bar by sending distracting modifiers to each other). Earlier versions also have Couple/Unison Mode, where two players must cooperate to play the song. Course Mode was reintroduced to the series starting with A20.
The foot-rating system was completely removed for the 6th Mix, and replaced by the Groove Radar. The Groove Radar is a graphical representation of the difficulty of a song based in five different areas: Stream, Voltage, Air, Chaos, and Freeze.
Each game usually has a song that maxes out a category within the radar. If a song in a following mix or update has a higher category measurement, then the groove radar is renewed so the new song can max out that category, while all previous songs are re-rated in respect to the new radar.
As of DDR 2014, the groove radar also employs a numerical measurement in addition to a graphical representation. Before the update, the radar did not disclose the number by default, though it could be shown by holding the SELECT button while heading to the song select screen.
The Groove Radar was not very popular among seasoned DDR veterans. The foot-rating system was restored to work with the Groove Radar in the North American home version of the game and the next arcade version, MAX2, and almost all future versions (except for versions based on the North American version of EXTREME, which only used foot ratings). All of the MAX songs on MAX2 received foot-ratings, excluding songs that were removed.
SuperNOVA 2 featured special edits of songs specifically meant to max out specific categories on the radar, culminating with "DEAD END ("GROOVE RADAR" Special)", maxing out all five categories. While not related, SuperNOVA 2 also featured a variation known as "My Groove Radar" as part of e-Amusement, which was also divided into five categories, though it was meant to measure the player's stats on songs rather than showing the song's difficulty.
Before EXTREME, the Extra Stage song was predetermined. Afterward, any song can be played for the Extra Stage, although there is still a song designated as the Extra Stage (usually marked with red letters on the song wheel, or contained within the EXTRA EXCLUSIVE folder. In all cases (etc. in EXTRA EXCLUSIVE songs), they must be unlocked for regular play). A player who attains a grade of "AA" (or "A" in SuperNOVA or 950.000 Supernova 2 points in A) on the Extra Stage is invited to play an additional stage, "One More Extra Stage" (OMES, or Encore Extra Stage post-SuperNOVA), with another special song option, played in RISKY, in which any combo-breaking step or missed freeze will cause an instant failure. Since X3 VS 2ndMIX, some Encore Extra Stage songs are marked as "ATTACK PERFECT FULL COMBO", where any judgment less than Perfect will cause the player to fail the song. Unlike Extra Stages, the song for Encore Extra Stages remains predetermined, the only exceptions were SuperNOVA 2 and X, which allowed players to play any song for their Encore Extra Stage. Usually, if this final boss is beaten, a special credits sequence is played.
With the implementation of e-Amusement in DDR, mixes after SuperNOVA have contained multiple songs as extra stages, often based on specific conditions, such as playing specific difficulties or songs.
From MAX2 onward, the BPM of Extra Stage songs is displayed as a random, changing number, instead of the song's true BPM to hide it from players, also when KAKUMEI was played as an Encore Extra Stage, its Groove Radar data is hidden by continually animating through random songs' ratings. The random BPM display is replaced with the normal BPM display in the next mix, and as of X, after the said song has been unlocked for normal play.
A standard Dance Dance Revolution arcade machine consists of two parts, the cabinet and the dance platform. The cabinet has a wide bottom section, which houses large floor speakers and glowing neon lamps (led on X cabinets and hide lights on white cabinets). Above this sits a narrower section that contains the monitor, and on top is a lighted marquee graphic, with two small speakers and flashing lights on either side. Below the monitor are two sets of buttons (one for each player), each consisting of two triangular selection buttons (four on X and white cabinets) and a center rectangular button, used mainly to confirm a selection or start the game.
The dance stage is a raised metal platform divided into two sides. Each side houses a set of four acrylic glass pads[1] arranged and pointing in the orthogonal directions (left, up, down and right), separated by metal squares. Each pad sits atop four pressure activated switches, one at each edge of each pad, and a software-controlled cold cathode lamp illuminating the translucent pad, not available on the white cabinet. A metal safety bar in the shape of an upside-down "U" is mounted to the dance stage behind each player. Some players make use of this safety bar to help maintain proper balance, and to relieve weight from the legs so that arrows can be pressed with greater speed and accuracy.
The Solo arcade cabinet is smaller and contains only one dance pad, modified to include six arrow panels instead of four (the additional panels are "upper-left" and "upper-right"). These pads generally do not come with a safety bar, but include the option for one to be installed at a later date. The Solo pad also lacks some of the metal plating that the standard pad has, which can make stepping difficult for players who are used to playing on standard machines. An upgrade was available for Solo machines called the "Deluxe pad", which was closer to the standard cabinet's pad. Additionally Solo machines only incorporate two sensors, located horizontally in the center of the arrow, instead of four sensors (one on each edge).
Dance Dance Revolution 2ndMix was updated after its initial release with a few new songs and the ability to connect to and play alongside Konami's DJ simulator games, Beatmania IIDX. While the official name of that version of DDR when alone was Dance Dance Revolution 2ndMix Link Version,[4] when connected to the two Beatmania IIDX cabinets it was compatible with it was referred to by two other unique names.[5]
Along with the cabinet change, DDR X also changes its hardware to the PC-based Bemani PC Type 4. This more powerful hardware allows for high definition graphics[e] and enhanced features. With DDR A, Bemani PC Type 4 is replaced by ADE-704A (ADE-6291 for 20th Anniversary cabinets only), that is still used to this day.
The music of Dance Dance Revolution consists of a large catalogue of songs, with most of them consisting of Konami Originals that are produced in-house by the Bemani Sound Team and other Konami teams. Additionally, DDR features many licensed songs from various record labels. The latest game release, Dance Dance Revolution A3, features 1,195 songs, of which 101 are licensed songs.[6]
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