Video game clone

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The FC Twin, a popular clone system that plays both Nintendo Entertainment System and Super Nintendo.

A video game clone is either a video game (or series) which is very similar to or heavily inspired by a previous popular game or series. It also applies to a third-party remake of a video game console.

The term is usually derogatory, implying a lack of originality and creativity; however, an intentional clone may be anything from a "ripoff" to an honorary homage to its exemplar. Accusing a game of being a clone carries the implication that its developers or publishers try to profit off of the exemplar's success. In particularly bad cases this may be seen as a form of plagiarism or fraud and could be taken to court.

Cloning a game in digital marketplaces is common, because it is hard to prevent and easy to compete with existing games. Developers can copyright the graphics, title, story, and characters, but they cannot easily protect software design and game mechanics. A patent for the mechanics is possible, but acquiring one is expensive and time-consuming.[1]

Video games[edit]


Neo Double Games. This is an unofficial handheld game console cloning the look of a Nintendo DS and featuring simple, LED games.

Within the field of video games, popular game concepts often lead to that concept becoming incorporated or expanded upon by other developers. In other cases, games may be developed with clear influence from one or more earlier games. Such derivations are not always considered clones though the term may be used to make a comparison between games. As copyright law does not protect gameplay concepts, the reuse of such ideas is generally considered acceptable. Games like Tetris and Breakout (video game)[2] inspired many games that used similar core concepts but expanded beyond that; the Breakout-inspired Arkanoid itself inspired many other clones that built upon its unique additions to Breakout. Gameplay elements of Street Fighter II and Mortal Kombat became common gameplay elements in the fighting game genre,[3][4][5] Some video game genres are founded by archetypal games that all subsequent similar games are thought of as derivatives; notably, early first-person shooters were often called "Doom clones",[6] while the success of the open-world formula in Grand Theft Auto led to the genre of GTA clones.[7] The genre of endless runners is based on the success and simplicity of the game Canabalt.[8]

Video games clones occur when competitors, on seeing the success of a video game title, attempt to compete by creating a near-copy of the existing game with similar assets and gameplay with little additional innovation; developer Jenova Chen compared the nature of these clones similar to plagiarism in which there is little attempt to distinguish the new work from the original.[9] BYTE reported in December 1981 that at least eight clones of Atari, Inc.'s arcade game Asteroids existed for personal computers.[10] The magazine stated in December 1982 that that year "few games broke new ground in either design or format ... If the public really likes an idea, it is milked for all it's worth, and numerous clones of a different color soon crowd the shelves. That is, until the public stops buying or something better comes along. Companies who believe that microcomputer games are the hula hoop of the 1980s only want to play Quick Profit."[11] Video game clones are seen by those developing them as low risk; knowing that a game or genre is popular, developing a clone of that game would appear to be a safe and quick investment, in contrast with developing a new title with unknown sales potential.[12]

Such cloning of video games initially bore out from arcade games, buoyed by the success of that sector during its "golden age" in the early 1980s. Cloning would continue as home video game consoles became popular, and in part, the number of clones being produced and saturating the market were considered part of the reason for the video game market crash in 1983.[11] A new resurgence in cloned video games came with the rise of social network games, typically which were offered as freemium titles to entice new players to play.[13] More recently, the cost, ease and simplicity of the tools needed to develop mobile games has made cloning in that sector a significant problem.[14][15][16] For example, Flappy Bird had been cloned numerous times due to programming code clearinghouses offering templated code that others could easily add their own art assets.[16] The developers of Threes! had spent several months to fine-tune their gameplay mechanics, but was quickly overshadowed by 2048, a clone that was developed over a weekend.[17]

Legal aspects[edit]

In present-day law, it is upheld that game mechanics of a video game are part of its software, and are generally ineligible for copyright.[18] The United States Copyright Office specifically notes: "Copyright does not protect the idea for a game, its name or title, or the method or methods for playing it. Nor does copyright protect any idea, system, method, device, or trademark material involved in developing, merchandising, or playing a game. Once a game has been made public, nothing in the copyright law prevents others from developing another game based on similar principles."[19] The underlying source code, and the game's artistic elements, including art, music, and dialog, can be protected by copyright law.[18] In the United Kingdom, "neither a game’s ‘look and feel’ nor its mechanics are protectable", according to Nicolas Murfett, a legal associate for Harbottle & Lewis, while the European Union has yet to come to a resolution on the matter.[20] As an alternative, some elements of video game software have been protected through patents or trademarks.[20][21][22][23]

It is generally recognized in the video game industry that borrowing mechanics from other games is common practice, and their widespread use would make them ineligible for legal copyright or patent protection.[18][24] Courts also consider scènes à faire (French for "scenes that must be done") for a particular genre as uncopyrightable; games involving vampires, for example, would be expected to have elements of the vampire drinking blood and driving a stake through the vampire's heart to kill him.[25] Up until 2012, courts were reluctant to find for copyright infringement of clones; attorney Stephen C. McArthur, writing for Gamasutra, said that courts opted to take a more lax view to balance innovation in the industry and prevent overzealous copyright protection that could have one company claim copyright on an entire genre of games.[25]

A shift in legal options for developers to challenge clones arose from the 2012 federal court decision that ruled in favor of the Tetris Company, the owners of the Tetris copyright, over the clone Mino which used the same gameplay as Tetris but with different art assets. The developers for Mino has cited in their defense that they only used the uncopyrightable gameplay elements of Tetris in Mino. The court ruled that copyright law was in favor of the Tetris Company's claim, as the gameplay was copied without changes, and while the art assets were new, the "look and feel" of Mino could be easily confused for that of Tetris.[25][26] This decision serves as case law for other developers to fend off "look-and-feel" clones.[27] Similarly, SpryFox LLC, the developers of the mobile game Triple Town, successfully defended their game from a clone, Yeti Town, developed by 6Waves, through court settlement after the judge gave initially rulings in favor of SpyrFox; these rulings suggested that there was copyright protection on the gameplay mechanics despite drastic differences in the games' art assets, though other factors, such as prior agreements between SpyrFox and 6Waves, may have also been involved.[25]

Other notable legal actions involving video game clones include:

  • In 1982, Atari brought a lawsuit against Amusement World, claiming their arcade game Meteos violated their copyright on Asteroids. Though the court identified twenty-two similarities in the game mechanics, it ruled against Atari citing these elements as scènes à faire for games about shooting at asteroids.[25]
  • Atari sought an injunction in 1982 to block the sale of K.C. Munchkin for the Phillips-Magnavox Odyssey², citing excessive similarities to its Atari 2600 version of Pac-Man. Though the court initially denied the injunction, Atari won on appeal; the court noted that though K.C. Munchkin offered different features such as moving walls and fewer dots in the maze to eat, "substantial parts were lifted; no plagiarist can excuse the wrong by showing how much of his work he did not pirate".[28]
  • Data East sued Epyx over copyright violations from Data East's Karate Champ used in Epyx's World Karate Championship. Similar to Asteroids vs. Meteors, the court ruled in favor of Apyx, stating that while many elements were similar, they were necessary as part of karate championship-based game, and the remaining copyrightable elements were substantially different.[25]
  • Capcom filed a 1994 lawsuit against Data East over their fighting game, Fighter's History, which Capcom claimed cloned characters, art assets, and move sets from Street Fighter II. The court ruled against Capcom, stating that while some elements may have been similar, no direct measure of willful copying could be found; the court further found that many of the characters in Street Fighter II were already based on public domain stereotypical fighters, and were ineligible for copyright protection.[25][29][30][31]
  • Sega had filed a 1998 United States patent for the gameplay concepts in Crazy Taxi[32] The company subsequently used that patent to sue Fox Interactive over their title The Simpsons: Road Rage, citing that the latter game was developed to "deliberately copy and imitate" the Crazy Taxi game.[33] The case was ultimately settled out of court.[34]
A comparison of in-game screenshots, published in EA's legal filings, of EA's The Sims Social (left) and Zynga's The Ville, demonstrating the similarities in the games' art assets.
  • In August 2012, Electronic Arts (EA), via its Maxis division, put forth a lawsuit against Zynga, claiming that its Facebook game, The Ville was a ripoff of EA's own Facebook game, The Sims Social. The lawsuit challenges that The Ville not only copies the gameplay mechanics of The Sims Social, but also uses art and visual interface aspects that appear to be inspired by The Sims Social. Zynga has long been criticized by the video game industry as cloning popular social and casual games from other developers,[35][36][37] a practice common throughout the social game genre.[38][39] In past cases, Zynga's clones have typically been from smaller developers without the monetary resources to pursue legal action (as in the case of Tiny Tower by NimbleBit, which Zynga has cloned in their game, Dream Heights) or that are willing to settle out of court (as in the case of Zynga's Mafia Wars, which was accused of cloning David Maestri's Mob Wars).[36] Pundits have noted that EA, unlike these previous developers, are financially backed to see the case to completion; EA themselves have stated in the lawsuit that "Maxis isn’t the first studio to claim that Zynga copied its creative product. But we are the studio that has the financial and corporate resources to stand up and do something about it."[40] The two companies settled out of court on undisclosed terms in February 2013.[41]

More recently, with the popularity of social and mobile game stores like Apple's App Store for iOS system and Google Play for Android-based systems, a large number of likely-infringing clones have begun appearing.[42] While such storefronts typically include a review process before games and apps can be offered on them, these processes do not consider copyright infringement of other titles. Instead, they rely on the developer of the work that has been cloned to initiate a complaint regarding the clone, which may take time for review. The cloned apps often are purposely designed to resemble other popular apps by name or feel, luring away purchasers from the legitimate app, even after complaints have been filed.[43][44] Apple has released a tool to streamline claims of app clones to a team dedicated to handle these cases, helping to bring the two parties together to try to negotiate prior to action.[45] While Apple, Google, and Microsoft took steps to stem the mass of clones based on Swing Copters after its release, experts believe it is unlikely that these app stores will institute any type of proactive clone protection outside of clear copyright violations, and these experts stress the matter is better done by the developers and gaming community to assure the original developer is well known, protects their game assets on release, and gets the credit for the original game.[20]

Another approach some companies have used to prevent clones is via trademarks as to prevent clones and knockoffs. Notably, have gotten a United States trademark on the word "Candy" in the area of video games to protect clones and player confusion for their game Candy Crush Saga. They have also sought to block the use of the word "Saga" in the trademark filing of The Banner Saga for similar reasons, despite the games having no common elements.[46]

Video game consoles[edit]

Cloned consoles are often bootlegged/pirated/unlicensed. These kind of game systems are often sold online, or at flea markets especially in developing countries, where it is seen as an affordable alternative to more expensive consoles such as the PlayStation 3 or Xbox 360. Cloned consoles come in a variety of styles, shell shapes, etc. In some cases, a game system clone will have built-in games, and a cartridge slot for expansion.

Notable cloned video game systems[edit]

Normal cloned consoles play games of older consoles. If they are officially licensed, they are made by third-party companies who have been granted permission to manufacture and distribute by the original manufacturers (i.e., Atari and Sega). If they are not officially licensed, they are made by companies that do not have contractual agreements with the original manufacturers with regards to intellectual property.


The Vii, released in 2007 in China; resembles the Wii

Also known as cosmetic clones, these consoles are very similar in appearance/design to a major console, but are architecturally very different to the ones they imitate, often using simpler hardware in lieu of more complex processors in order to save on manufacturing costs. They are mainly built in China.

See also[edit]


  1. ^ "For Creators of Games, a Faint Line on Cloning" New York Times, Chen, Brian X. March 11, 2012
  2. ^ Nelson, Mark. "Breaking Down Breakout: System And Level Design For Breakout-style Games". Gamasutra. Retrieved 2007-11-29. 
  3. ^ Patterson, Eric L. (November 3, 2011). "EGM Feature: The 5 Most Influential Japanese Games Day Four: Street Fighter II". Electronic Gaming Monthly. Retrieved 17 April 2012. 
  4. ^
  5. ^
  6. ^ Turner, Benjamin & Bowen, Kevin, Bringin' in the DOOM Clones, GameSpy, December 11, 2003, Accessed February 19, 2009
  7. ^ "Hunt for Grand Theft Auto pirates". BBC News. 2004-10-21. Retrieved 2008-08-26. 
  8. ^ Parkin, Simon (2013-06-07). "Don’t Stop: The Game That Conquered Smartphones". New Yorker. Retrieved 2015-10-20. 
  9. ^ Webster, Andrew (2009-12-06). "Cloning or theft? Ars explores game design with Jenova Chen". Ars Technica. Retrieved 2015-10-20. 
  10. ^ Williams, Gregg (December 1981). "Battle of the Asteroids". BYTE. pp. 163–165. Retrieved 12 August 2015. 
  11. ^ a b Clark, Pamela (December 1982). "The Play's the Thing". BYTE. p. 6. Retrieved 19 October 2013. 
  12. ^ Kelly, Tadhg (2014-01-05). "Why all the Clones". TechCrunch. Retrieved 2015-10-20. 
  13. ^ Glasser, AJ (2011-07-27). "Clone Wars: What Copycats Really Do To The Social Games Industry". Adweek. Retrieved 2015-10-20. 
  14. ^ Tassi, Paul. "Over Sixty 'Flappy Bird' Clones Hit Apple's App Store Every Single Day". 
  15. ^ Batchlor, James (2014-08-21). "Flappy Bird creator's new game Swing Copters has already been cloned. A lot.". Develop. Retrieved 2014-08-21. 
  16. ^ a b Rigny, Ryan (2014-03-05). "How to Make a No. 1 App With $99 and Three Hours of Work". Wired. Retrieved 2014-03-05. 
  17. ^ Renaudin, Clement (2014-03-27). "Cloned to Death: Developers Release all 570 Emails That Discussed the Development of 'Threes!'". Touch Arcade. Retrieved 2014-03-28. 
  18. ^ "U.S. Copyright Office – Games". United States Copyright Office. Retrieved 2012-08-07. 
  19. ^ Kuchera, Ben (2008-03-09). "Patents on video game mechanics to strangle innovation, fun". Ars Technica. Retrieved 2012-08-10. 
  20. ^ Adams, Earnst (2008-03-05). "The Designer's Notebook: Damn All Gameplay Patents!". Gamasutra. Retrieved 2012-08-10. 
  21. ^ Chang, Steve; Dannenberg, Ross (2007-01-19). "The Ten Most Important Video Game Patents". Gamasutra. Retrieved 2012-08-10. 
  22. ^ Ibrahim, Mona (2009-12-09). "Analysis: Clone Games & Fan Games – Legal Issues". Gamasutra. Retrieved 2012-08-07. 
  23. ^ a b c d e f g McArthur, Stephen (2013-02-27). "Clone Wars: The Six Most Important Cases Every Game Developer Should Know". Gamasutra. Retrieved 2013-02-27. 
  24. ^ Orland, Kyle (2012-06-20). "Defining Tetris: How courts judge gaming clones". Ars Technica. Retrieved 2012-08-07. 
  25. ^ Jack C. Schecter (2012-06-18). "Grand Theft Video: Judge Gives Gamemakers Hope for Combating Clones". Retrieved 2012-06-19. 
  26. ^ Kohler, Chris (2012-08-08). "CourtVille: Why Unclear Laws Put EA v. Zynga Up for Grabs". Wired. Retrieved 2012-08-08. 
  27. ^ Bennett, Chris (1994-03-18). "Street Fighter II Vs. Fighter's History". Davis LLP. Retrieved 2012-08-07. 
  28. ^ Oxford, Naida (2007-12-11). "Twenty Years of Whoop-Ass". Retrieved 2012-08-07. 
  29. ^ Dannenberg, Ross (2005-08-29). "Case: Capcom v. Data East (N.D. Cal. 1994) [C]". Patent Arcade. Retrieved 2010-07-26. 
  30. ^ US patent 6200138 
  31. ^ Sirlin, Davie (2007-02-27). "The Trouble With Patents". Gamasutra. Retrieved 2012-08-07. 
  32. ^ "Case Analysis: Sega v. Fox". Patent Arcade. 2010-07-12. Retrieved 2012-08-07. 
  33. ^ Griffen, Daniel Nye (2012-08-06). "EA Sues Zynga, But Deeper Social Issues Threaten". Forbes. Retrieved 2012-08-07. 
  34. ^ a b Brown, Nathan (2012-01-25). "How Zynga cloned its way to success". Edge. Retrieved 2012-08-07. 
  35. ^ Jamison, Peter (2010-09-08). "FarmVillains". SF Weekly. Retrieved 2012-08-07. 
  36. ^ Kelly, Tadhg (2012-08-04). "Zyngapocalypse Now (And What Comes Next?)". TechCrunch. Retrieved 2012-08-07. 
  37. ^ Kelly, Tadhg (2009-12-18). "Zynga and the End of the Beginning". Gamasutra. Retrieved 2012-08-07. 
  38. ^ Tassi, Paul (2012-08-03). "Zynga Pokes a Giant: EA Files Lawsuit After The Ville Clones The Sims". Forbes. Retrieved 2012-08-07. 
  39. ^ Cifaldi, Frank (2013-02-15). "EA and Zynga settle The Ville copycat case out of court". Gamasutra. Retrieved 2013-02-15. 
  40. ^ Dredge, Stuart (2012-02-03). "Should Apple take more action against march of the iOS clones?". The Guardian. Retrieved 2012-08-10. 
  41. ^ Epsom, Rip (2011-12-11). "Can We Stop The Copycat Apps?". TechCrunch. Retrieved 2012-08-10. 
  42. ^ Constine, John (2012-02-03). "Apple Kicks Chart Topping Fakes Out Of App Store". TechCrunch. Retrieved 2012-08-10. 
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  44. ^ Karmali, Luke (2014-01-22). "Candy Crush Saga Dev Goes After The Banner Saga". IGN. Retrieved 2014-01-22.