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Slither.io

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Slither.io
Slither.png
Developer(s) Steve Howse
Platform(s) Browser, iOS, Android
Release Browser, iOS
March 25, 2016
Android
March 27, 2016
Genre(s) Casual
Mode(s) Multiplayer

Slither.io[a] is a massively multiplayer video game available for iOS, Android, and web browsers, developed by Steve Howse. Players control an avatar resembling a worm, which consumes multicolored pellets, both from other players and ones that naturally spawn on the map in the game, to grow in size. The objective of the game is to grow the longest worm in the server. Slither.io is similar in concept to the popular 2015 web game Agar.io and is reminiscent of the classic arcade game Snake.

The game grew in popularity following its promotion among several prominent YouTube users such as PewDiePie, and topped the App Store shortly after its release. Slither.io's browser version was ranked by Alexa as one of the 1,000 most visited sites by July 2016, while the iOS version ranked first in the most downloaded apps on the App Store. A mobile version of the game for Android was released on March 27, 2016. The reception of the game was positive, with reviewers praising its appearance and customization but criticizing it for its low replay value and the high price users must pay to remove advertisements.

Gameplay[edit]

An example of Slither.io gameplay, showing one player's worm eating the remains of another worm that has died. This is only a part of the map.

The objective of the game is to control a worm around a wide area and eat pellets, defeating and consuming other players to gain mass to grow the largest and longest in the game.[1] Once the player starts the game and is spawned into the virtual world, their avatar cannot stop moving forward. If the player's worm's head collides into a part of another worm, the player will die. The defeated avatar's body turns into bright, shining pellets for other players to consume.[1][2] As much pellets as it takes for the equivalent amount of mass as the worm had exactly before its death will be transmuted. These pellets that remain from "death" of an avatar will correspond to the color of the avatar itself, and are both brighter and bigger than "normal" pellets, which spawn naturally throughout the world.[2] Normal pellets do not give as much mass as pellets dropped from other worms. "Chase" pellets will appear individually in various places of the world, and when eaten, give a greater amount of mass than pellets dropped by other worms. Chase pellets avoid worms and flee when they draw near. Chase pellets can be obtained by boosting.

By pressing and holding the space bar or left/right mouse button (on mobile, double-tapping the touchscreen), the player can use their boost, which causes the avatar to speed up.[3] When the button (or, on mobile, the finger on the touchscreen) is released, the worm will stop using its boost. When a player uses their boost, the worm loses some mass, causing the worm's size to shrink slightly, with the mass that is lost from the boost appearing as a line of small pellets where the boost was used.[3] The mass lost can be regained by consuming the pellets. Similar to pellets dropped from defeated avatars, the boost pellets correspond to the color of the avatar. The boost feature is useful to outmaneuver and defeat opponents.[4] A common strategy that is used by players to defeat opponents is of the player's avatar coiling around the opponent's in a loop, until the opponent, trapped in the loop, crashes into the player.[5]

There is a border that confines avatars within the circular game board. If a worm hits the border, the player automatically dies without turning into the aforementioned pellets.[5] As of now it is removed, in 2016, the player with the biggest worm at the end of the day was able to share a "victory message" with the world.[6] On each server, leaderboards are displayed at the top right, showing the top ten players with worms that have the most mass out of all the other worms in the entire server.

Skins[edit]

There are 16 default skins, each one a different solid color along with multiple repeating patterns.[b] The colors are randomly chosen when the player joins the server.[7] Players can choose to customize their worm's appearances using custom skins with unique designs including different countries' flags, as well as skins with motifs and colors representing well-known YouTubers, such as Jacksepticeye, Jelly and PewDiePie.[7] Or, the player may choose to create their own skin, with a tool known as "Build a Slither," which shows the different colors that an avatar can be made of, that can be placed on the worm upon clicking. Previously, in order to unlock custom skins in browser mode, players were forced to share the game on Twitter or Facebook using the external links found on the website. By June 2016, the ability to add skins was also added to the iOS and Android versions.[6]

Mobile version[edit]

There are three control schemes on the iOS and Android apps: "Classic", where the worm follows the player's finger; "Joystick", where the left thumb controls the worm using a virtual joystick and the right thumb makes it go faster; and "Arrow", which is exactly like Joystick but with an arrow above the worm's head indicating the direction it is moving in.[8] Since June 2016, mobile versions also allow players to play offline against the computer using an artificial intelligence mode.[9]

Development[edit]

According to game creator Steven Howse, he was inspired to create the game while he was experiencing financial problems. As a result of these financial issues, he had to move from Minneapolis to Michigan, where he realized the popularity of Agar.io.[10] He had long wanted to create an online multiplayer game, but the only option for the development at the time was in Adobe Flash, and not wanting to use this method, he gave up the idea for a while. Howse finally created the game when he realized that WebSocket, a low-latency protocol supported by most major browsers, was sufficient and stable enough to run an HTML game similar to other games such as Agar.io.[11] The most difficult part of the development was in making each server stable enough to handle 600 players at a time. Howse struggled to find space on servers with enough space in regions where there was more demand and tried to avoid cloud services like Amazon Web Services, owing to the high cost that these services would incur based on the amount of bandwidth used.[10][11]

After six months of development, Slither.io was released for browsers and iOS on March 25, 2016, with servers supporting up to 500 players.[12][13] Two days after the iOS/browser versions' release, an Android version was made available by Lowtech Studios.[14] The only way Howse could make revenue was to display advertising in the app after the player's worm died; this option could be removed for US$3.99. He chose not to sell virtual currency or power-ups so that those who paid would not have an advantage over players who did not.[10] As there was no money to advertise for the game, the only way to advertise was the various let's plays by players on YouTube, including PewDiePie, who had more than 47 million subscribers at the time.[10][2]

In the weeks following the release, Howse worked on updates to stabilize the game and provide a better experience for players.[15][16] In addition, he plans to add new features, such as a “friendly mode” that allows people to set up teams, and a way for the player to choose a server to play on.[11] Howse said that two major gaming companies had approached him to buy Slither.io. He had considered the idea, since he felt that it was stressful to maintain the game.[10]

Reception[edit]

Soon after release, Slither.io reached the top of the App Store sales charts in the free software category in several regions,[17] including the United States[18] and the United Kingdom.[19] By the end of 2016, Slither.io had become Google's most searched video game of the year in the United States.[20]

Patricia Hernandez of Kotaku said that the game's low barriers to entry and similarity to Agar.io explained Slither.io's popularity. She noted the game's fast pace.[2] Boing Boing compared the game's core mechanic to that of the 2009 game Osmos.[21] Brandt Ran, writing for Business Insider, said that "despite running into some technical hiccups—the game can lag heavily at times—I doubt Slither.io will be leaving my home screen anytime soon."[4] Harry Slater, writing for Pocket Gamer, defined the game as "interesting"; the gameplay as a "compulsive experience"; and the structure as simple and similar to Agar.io, although it did not have a large replay value.[22] TechCrunch's Felicia Williams praised the designs, getting "pleasantly surprised" with the variety of skins for customization.[23] Lian Amaris of Gamezebo found the game to be "far more interesting than Agar.io" because it involved "an ever-growing languid body rather than just a flat circle," and praised "the dark environment with neon worms," which gave the game a "retro arcade feel." Amaris also compared the concept of Slither.io to that of Agar.io and stated that Slither.io was reminiscent of the classic arcade game Snake.[1]

Shortly after the release of the mobile versions, the game was in first place in the ranking of games of the App Store.[23][24] Despite Slither.io's popularity, it received mixed reviews. Scottie Rowland of Android Guys praised the gameplay and graphics, however criticized the ads that pop up on the screen after the end of the game, calling them "extremely annoying" and finding the payment to remove them "a bit pricey."[25]

Popularity[edit]

By July 2016, the browser version's website was ranked by Alexa as the 250th most visited site worldwide, but then experienced a decline in popularity, dropping below 1,000 by October 2016 before remaining mostly constant at approximately 1,700 by January 2017. In April 2017, Slither.io's global rank then started declining further, reaching 2,800 by September 2017.[26] By that same period, the game had already been downloaded more than 68 million times in mobile applications and played more than 67 million times in browsers, generating a daily income of US$100,000 for Howse.[10][13]

Notes[edit]

  1. ^ Sometimes called or pronounced "slitherio" and "slither" (/ˈslɪθər/).
  2. ^ The default colors are orange, yellow, purple, lavender, teal, green, chartreuse, brick, pink, red and white.[7]

References[edit]

  1. ^ a b c Amaris, Lian (April 11, 2016). "Slither.io Proves Size Doesn't Always Matter". Gamezebo. Retrieved March 14, 2017. 
  2. ^ a b c d Hernandez, Patricia (April 14, 2016). "Slitherio, YouTube's Hottest New Game, Is More Fun Than It Has Any Right To Be". Kotaku. Archived from the original on April 29, 2016. Retrieved April 29, 2016. 
  3. ^ a b "How to Make Your Snake Go Faster in Slither.io". On The Line Social Media. April 12, 2016. Retrieved March 14, 2017. 
  4. ^ a b Brandt Ranj (April 30, 2016). "Slither.io". Business Insider. Retrieved May 6, 2016. 
  5. ^ a b "8 tips and cheats for App Store smash Slither.io". Pocket Gamer. May 3, 2016. Retrieved May 6, 2016. 
  6. ^ a b Smith, Josh (June 27, 2016). "Slither.io Tips & Tricks, Skins, How To Play & Key Details". Gotta Be Mobile. Retrieved March 14, 2017. 
  7. ^ a b c Brown, Mark (May 19, 2016). "What all the Slither.io skins mean on iOS and Android". Pocket Gamer. Retrieved March 14, 2017. 
  8. ^ Fox, Glen. "Which control scheme is the best in Slither.io?". Pocket Gamer. Retrieved 11 August 2017. 
  9. ^ H., Victor (June 3, 2016). "Slither.io app gets big update: you can now play against AI, plus new joystick controls". Phone Arena. Retrieved March 14, 2017. 
  10. ^ a b c d e f Needleman, Sarah E. (June 17, 2016). "As 'Slither.io' Goes Viral, Game's Creator Scrambles to Keep Up". Wall Street Journal. ISSN 0099-9660. Retrieved March 14, 2017. 
  11. ^ a b c Brown, Mark (May 16, 2016). "Interview: The future of Slither.io, and tips direct from the developer". Pocket Gamer. Retrieved March 14, 2017. 
  12. ^ Kelly, Shane (May 16, 2016). "How to Hit the Leaderboards in 'Slither.io' – Tips on Winning from a 'Slither.io' Pro". TouchArcade. Retrieved March 14, 2017. 
  13. ^ a b Palmer, Dave (June 18, 2016). "Want to play a mobile game with 500 of your best friends? Slither.io lets you do just that". Digital Trends. Retrieved March 14, 2017. 
  14. ^ "slither.io". AppBrain. Retrieved March 14, 2017. 
  15. ^ "Slither.io Version History". APK4Fun. Retrieved March 14, 2017. 
  16. ^ "'Slither.io' Update Just Added Better Controls and Skins". TouchArcade. May 11, 2016. Retrieved March 14, 2017. 
  17. ^ "Top apps and games: slither.io, all the Lifelines and, of course, Exploding Kittens". Montreal Gazette. May 4, 2016. Retrieved May 6, 2016. 
  18. ^ "Top Apps on iOS Store, United States, Games, May 14, 2016". App Annie. Retrieved May 15, 2016. 
  19. ^ "Slither.io tops free iPad charts in the UK". MCV UK. Retrieved April 30, 2016. 
  20. ^ Fitzpatrick, Alex (December 13, 2016). "These Were the Most-Googled Video Games of 2016". Time. Retrieved 2017-08-09. 
  21. ^ "Slither.io is an addictive mutiplayer snake game". Boing Boing. Retrieved April 30, 2016. 
  22. ^ Slater, Harry (April 26, 2016). "Slither.io Review". Pocket Gamer. Retrieved March 14, 2017. 
  23. ^ a b Williams, Felicia (June 22, 2016). "Slither.io is snaking its way on to homescreens". TechCrunch. Retrieved March 14, 2017. 
  24. ^ "Slither.io tops free iPad charts in the UK". MCV UK. Retrieved May 26, 2016. 
  25. ^ Rowland, Scottie (July 18, 2016). "Slither.io: Brings back memories of early mobile games (Review)". AndroidGuys. Retrieved March 14, 2017. 
  26. ^ "Slither.io Traffic, Demographics and Competitors". Alexa Internet. Retrieved March 14, 2017. 

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