This is a list of Dreamcast games that were or are online for Sega

Sega

, usually styled as SEGA, is a multinational video game software developer and an arcade software and hardware development company headquartered in Ōta, Tokyo, Japan, with various offices around the world...

's 33k, 56k modem and broadband adapter. The BBA supported games such as Bomberman Online, Phantasy Star Online, POD, Quake III, 2k2 series and Unreal Tournament and connections through PCs widened the usage. Not included are all of the Dreamcast games that only allow homepage internet access. Most games were hosted by SegaNet

SegaNet

SegaNet was an internet service provided by Sega for the Sega Saturn and Dreamcast video game consoles.-Saturn:In its inception, SegaNet was Sega's online service for the Sega Saturn in Japan...

 and GameSpy

GameSpy

GameSpy Industries, Inc., known simply as GameSpy, is a division of IGN Entertainment, which operates a network of game websites and provides online video game-related services and software. GameSpy dates back to the 1996 release of an internet Quake server search program named QSpy. The current...

 networks in the US. The Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

an online service was called Dreamarena

Dreamarena

Dreamarena was a free online gaming service provided with all Sega Dreamcast consoles in Europe. As the console had a bundled 33.6 kbit/s modem built in , it was a dial-up service...

 and run in a partnership between Sega Europe and BT. In Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

, the service was managed by Isao.Net. The games in the list below that can still be played online are 4x4 Evolution, Starlancer, Sega Web Browsers, Maximum Pool, Quake III Arena and Phantasy Star Online. Sega ceased supporting their servers for online gameplay in 2002 and a year later stopped paid servers for Phantasy Star Online in the US. This was followed by the closure of the PAL and Japanese servers for Phantasy Star Online in April 2007. It is still possible however to play this game online using the Schthack servers (see references below).

Most of the games offering online capabilities also included a web browser, which was upgraded frequently on GD-ROM

GD-ROM

GD-ROM is the proprietary optical disc format used by the Dreamcast games console, as well as its arcade counterparts and the Sega/Nintendo/Namco Triforce arcade system...

 and also came with the console. Initially these early browsers were set to connect directly via Sega's official dialup service, but they later released a version that could dialup through any third party ISP by allowing you to input a custom phone number. Communication computability itself is dependent on the type of game or browser, for instance some games only used Microphone chat while others Keyboard or Keyboard and mouse chat to avoid the defunct controller method. They can still be used to surf the Internet if the console is configured correctly, and if one knows how, it's possible to connect a Dreamcast to a PC and share its broadband connection (also in references).

Dreamcast network games

• 4x4 Evolution
  4x4 Evolution
  4x4 Evolution is a video game developed by Terminal Reality for the Windows, Macintosh, PlayStation 2 and Dreamcast platforms. It is one of the first console games to have cross-platform online play where Dreamcast, Macintosh and PC versions of the game appear online at the same time...
  
  (cross-platform)
• 4x4 Evolution
  4x4 Evolution
  4x4 Evolution is a video game developed by Terminal Reality for the Windows, Macintosh, PlayStation 2 and Dreamcast platforms. It is one of the first console games to have cross-platform online play where Dreamcast, Macintosh and PC versions of the game appear online at the same time...
  
   Demo (cross-platform)
• Aero Dancing
  Aero Dancing
  AeroWings is a flight simulator series for the Dreamcast and PlayStation 2 consoles and the Windows operating system.-Introduction:Aerowings/Aero dancing is considered by the fans as the first true attempt of combat flight simulation on console...
  
  
• Alien Front Online
  Alien Front Online
  Alien Front Online is a Dreamcast video game originally released for the console in 2001.In the game, players use armored vehicles to fight battles staged in arenas. Players could choose which side they wished to fight for, the aliens or the humans, and could also choose one of three different...
  
  (microphone support)
• Bomberman Online
  Bomberman Online
  Bomberman Online is a multiplayer game for the Dreamcast. It adds new ideas to the original formula with online play, new playing fields, and other extras. Bomberman Online's servers were shut down in 2003...
  
  
• Capcom vs Snk 2 (Japan only)
• ChuChu Rocket!
  ChuChu Rocket!
  is a puzzle video game for Dreamcast developed by Sonic Team. The game was the first popular game with online mode support for any major video game console...
  
  (keyboard/mouse support)
• Daytona USA
  Daytona USA (arcade game)
  Daytona USA is a 1993 racing video game by Sega. Considered one of the highest grossing arcade games of all time, Daytona USA was Sega's first title to debut on the Sega Model 2 arcade board, and at the time of its 1993 introduction, was considered the most visually detailed 3D arcade racing game...
  
  
• F355 Challenge: Passione Rossa
• Frame Gride
• Gundam Battle Online (Japan only)
• Guru Guru Onsen (Japan only)
• Heavy Metal: Geomatrix
  Heavy Metal: Geomatrix
  Heavy Metal: Geomatrix is a fully 3D arena fighting game released in 2001 by both Sega and Capcom for the Sega NAOMI and Dreamcast, based upon the Heavy Metal license....
  
  (in Japan only)
• Hellgate (unreleased game)
• Hundred Swords
  Hundred Swords
  Hundred Swords is a fantasy based on-line strategy game developed for the SEGA Dreamcast. The game was also released on PC, and was compatible with Windows 95, 98, and Me. It was produced by SEGA's Smilebit Studio....
  
  
• NBA 2K1
  NBA 2K1
  NBA 2K1 is the second installment of the NBA 2K series. It was developed by Visual Concepts and published by SEGA . It was the first NBA 2K game to feature online multiplayer and the first game to feature street courses instead of playing a game inside the stadium in the first game, famous street...
  
  
• NBA 2K2
  NBA 2K2
  NBA 2K2 is the third installment of the 2K series, it was still developed by Visual Concepts and published by Sega Sports. It was released for the Dreamcast, PlayStation 2, Nintendo GameCube, and the Xbox. It was released on October 24, 2001 on the Dreamcast and later ported with PlayStation 2,...
  
  
• NCAA College Football 2K2
• Next Tetris Online Edition
• NFL 2K2
• NFL 2K1
• Maximum Pool
• Marvel Vs. Capcom 2 (in Japan only)
• Ooga Booga
  Ooga Booga
  Ooga Booga is an online multiplayer game for the Dreamcast, focusing on the combat of "Kahunas" using thrown shrunken heads, riding animals, staffs, or using spells. The storyline is that Ooga Booga is a volcano goddess that creates islands, and has leaders of tribes, the Kahunas, that battle for...
  
  
• Outtrigger
  Outtrigger
  Outtrigger is a shooter developed by Sega-AM2 for the Sega NAOMI arcade cabinet and the Dreamcast. The game was released in 2001 and supported online play for up to six players. The game also can be played from either a first-person or a third-person perspective.-Gameplay:The player chooses one...
  
  (in North America only)
• PBA Bowling 2001
• Phantasy Star Online
  Phantasy Star Online
  Phantasy Star Online is an online multiplayer action RPG title, originally released for the Dreamcast in 2000, bundled with a demo of Sonic Adventure 2. Another edition, entitled Phantasy Star Online ver.2, was released for Dreamcast the following year...
  
  (cross-platform via private server)
• Phantasy Star Online
  Phantasy Star Online
  Phantasy Star Online is an online multiplayer action RPG title, originally released for the Dreamcast in 2000, bundled with a demo of Sonic Adventure 2. Another edition, entitled Phantasy Star Online ver.2, was released for Dreamcast the following year...
  
  Version 2 (cross-platform via private server)
• Planet Ring (in Europe only)
• POD 2
  POD 2
  POD 2: Multiplayer Online was the sequel to the 1997 racing game, POD, made by Ubisoft and available for Dreamcast. In POD 2 the player had the option of connecting to the Internet to play against other people...
  
  
• POD Speedzone
• Propeller Arena
  Propeller Arena
  Propeller Arena: Aviation Battle Championship is a video game for the Dreamcast console. It was developed and completed by the development team Sega AM2, but the game was never officially released...
  
  (unreleased game)
• Quake III Arena
  Quake III Arena
  Quake III Arena , is a multiplayer first-person shooter video game released on December 2, 1999. The game was developed by id Software and featured music composed by Sonic Mayhem and Front Line Assembly...
  
  (cross-platform, keyboard/mouse support)
• Rune Jade
• Sega Rally (Japan only)
• Sega Swirl
  Sega Swirl
  Sega Swirl is a puzzle game that was created for the Dreamcast, Personal computer, and Palm OS. The game was included in various demo discs released for the Dreamcast , and is free to download and play on the PC.Sega Swirl was created by Scott...
  
  (cross-platform via email)
• Sega Tetris (Japan only)
• Speed Devils Online
• Starlancer
  Starlancer
  Starlancer is a space-based science fiction flight simulator computer game, created by Erin Roberts, under the auspices of Digital Anvil.-Overview:It is the year 2160...
  
  
• Street Fighter Zero 3 Matching Service (Japan only)
• Super Puzzle Fighter II X (Japan only)
• Super Street Fighter II X Matching Service (Japan only)
• Tech Romancer
  Tech Romancer
  is a 1998 3D fighting arcade game by Capcom that draws heavily from the various sub-genres of Mecha anime. It has been ported to the Dreamcast console. The player controls a giant robot which is used to fight another robot in one-on-one combat...
  
   Matching Service (Japan only)
• Toy Racer
  Toy Racer
  Toy Racer is a racing game for the Dreamcast made by No Cliché and published by Sega.The game is an extension of Toy Commander racing sections, designed exclusively for both offline and online multiplayer modes for up to four players...
  
  (Europe only)
• Unreal Tournament
  Unreal Tournament
  Unreal Tournament is a futuristic first-person shooter video game co-developed by Epic Games and Digital Extremes. It was published in 1999 by GT Interactive. Retrospectively, the game has also been referred to as UT99 or UT Classic to differentiate it from its numbered sequels...
  
  (North America only, keyboard/mouse support)
• Vampire Chronicles
  Darkstalkers (series)
  Darkstalkers, known in Japan and Asia as , is a series of 2D fighting games produced by Capcom during the mid-1990s for the CPS II arcade hardware...
  
   Matching Service (Japan only)
• Virtual On: Oratorio Tangram (Japan only)
• Worms World Party
  Worms World Party
  Worms World Party is an artillery game, which is a type of Turn-based strategy game. It was developed by Team17 as the seventh game in the Worms series, and was released in 2001...
  
  
• World Series Baseball 2K2
  World Series Baseball 2K2
  World Series Baseball 2K2, or World Series Baseball as it is known for Xbox, is a sports game developed by Visual Concepts and published by Sega for the Dreamcast and Xbox. It is the first game in the modern series to be featured on the Xbox and the first title in the series developed by Visual...
  
  

Vs Link Cable games

• Aero Dancing F
• Aero Dancing I
• Aerowings 2 (speculated)
• F355
• Sega Rally 2
  Sega Rally 2
  is a sequel to Sega Rally and is an arcade game developed and released by Sega in 1998 for the Sega Model 3 arcade board. It was ported in the following year to the Dreamcast console and later to PC systems.-Gameplay:...
  
  
• Sega Tetris
• Virtual On: Oratorio Tangram

Online content

• 4x4 Evolution
  4x4 Evolution
  4x4 Evolution is a video game developed by Terminal Reality for the Windows, Macintosh, PlayStation 2 and Dreamcast platforms. It is one of the first console games to have cross-platform online play where Dreamcast, Macintosh and PC versions of the game appear online at the same time...
  
  - download tracks
• Cosmic Smash
  Cosmic smash
  Cosmic Smash is an arcade game that was later ported to the Dreamcast console. It is a futuristic combination of squash and Breakout, and is a single player game. It is one of the few Dreamcast games to be released in a DVD-style case, rather than a jewel case.-External links:* * A tribute to...
  
  - online rankings
• Crazy Taxi 2
  Crazy Taxi 2
  Crazy Taxi 2 was released solely on Dreamcast early in 2001 and is part of the Crazy Taxi series. It was ported to the PSP as part of Crazy Taxi: Fare Wars in 2007....
  
  - online rankings, extra content (eg 'Another Day' files)
• DC Squares - online rankings (website interface)
• Dead or Alive 2
  Dead or Alive 2
  Dead or Alive 2 is a fighting game in the Dead or Alive series. It debuted in arcades in October 1999 and was released on February 29, 2000 for the Dreamcast....
  
   Limited Edition - online rankings
• Floigan Bros.
  Floigan Bros.
  Floigan Bros. is a video game developed by Visual Concepts released on July 31, 2001 by Sega. It starred Jason Marsden and Frank Welker as the voices of the title characters- Plot :...
  
  - extra content
• Jet Set Radio
  Jet Set Radio
  is a video game for the Dreamcast, developed by Smilebit and published by Sega on June 29, 2000. A 2D version of the game was later released for Game Boy Advance; this version was developed by Vicarious Visions and published by THQ. Its sequel, Jet Set Radio Future was released 2 years later for...
  
  (Jet Grind Radio US) - upload graffiti
• Maqiupai - online rankings (website interface)
• Metropolis Street Racer
  Metropolis Street Racer
  Metropolis Street Racer or MSR is a racing game for the Dreamcast. It was developed by Bizarre Creations, and published by Sega. The game was originally intended to be a Dreamcast launch title in Europe and North America, however, due to numerous delays it was not released in Europe until November...
  
  - online rankings
• Project Justice
  Project Justice
  is a 3D competitive fighting game produced by Capcom. It is the sequel to Rival Schools: United By Fate and was first released as an arcade game in 2000 and ported to the Dreamcast during the following year.- Gameplay :...
  
  - upload characters (Japan only)
• Rayman 2: The Great Escape
  Rayman 2: The Great Escape
  Rayman 2: The Great Escape is a platform game and the sequel to Rayman. It was developed by Ubisoft and first released on October 29, 1999. It is considered to have raised standards regarding 3D, level design and game play, being praised by numerous reviews...
  
  - 3 exclusive mini-games, 2 of which are seen on other R2 ports
• Samba de Amigo
  Samba de Amigo
  Samba de Amigo is a rhythm game originally developed by Sonic Team and released in 1999 by Sega in arcades, 2000 for the Dreamcast video game console, and developed by Gearbox Software and Escalation Studios in 2008 for the Wii. The player uses controllers shaped like maracas with the goal of...
  
  - download music
• Sega Marine Fishing
  SEGA Marine Fishing
  Sega Marine Fishing is a fishing simulation game in which the player attempts to catch various marine sport fish. The gameplay's emphasis was on enticing fish to bite onto the lure and then successfully fighting the fish and reeling it to the boat....
  
  - downloads
• Sega Rally 2
  Sega Rally 2
  is a sequel to Sega Rally and is an arcade game developed and released by Sega in 1998 for the Sega Model 3 arcade board. It was ported in the following year to the Dreamcast console and later to PC systems.-Gameplay:...
  
  - online rankings
• Shikagami no Shiro 2 - online rankings (Japan) (website interface)
• Skies of Arcadia
  Skies of Arcadia
  Skies of Arcadia, released in Japan as , is a console role-playing game developed by Overworks for the Dreamcast and published by Sega in 2000. Skies of Arcadia Legends, a port, was released for the GameCube in 2002. Legends was also in development for the PlayStation 2; however, the PS2 version...
  
  - download weapons, new levels
• Sonic Adventure
  Sonic Adventure
  is a 1999 platform video game developed by Sonic Team and released on December 23, 1998, in Japan by Sega for the Dreamcast. One of its development titles was Sonic RPG...
  
  - download events, menu themes
• Sonic Adventure 2
  Sonic Adventure 2
  Sonic Adventure 2 is a platform game developed by Sonic Team and published by Sega for the Dreamcast video game console. It was released in North America on June 19, 2001 and in Japan on June 23, 2001 to mark the 10th anniversary of the release of the first Sonic the Hedgehog game. It is the sequel...
  
  - download events, menu themes, new levels
• Shenmue
  Shenmue
  is a 1999 open-world adventure video game developed by Sega AM2 and published by Sega for the Dreamcast, produced and directed by Yu Suzuki. Suzuki coined a genre title, "FREE" , for the game, based on the interactivity and freedom he wanted to give to the player...
  
  - download VMU icons, sega classic games, Shenmue Passport
• Street Fighter Alpha 3
  Street Fighter Alpha 3
  Street Fighter Alpha 3, known as in Japan and Asia, is a fighting game by Capcom originally released for the CPS II arcade hardware. It is the third game in the Street Fighter Alpha series, following Street Fighter Alpha: Warriors' Dreams and Street Fighter Alpha 2...
  
  - upload scores, extra content (grade ranking matches)
• Trizeal
  Trizeal
  Trizeal is a Japanese shoot 'em up arcade game developed by Triangle Service.-Dreamcast version:It offers a score attack mode, a sound test mode and new stages that weren't in the arcade version....
  
  - online rankings (Japan) (website interface)
• Virtua athlete 2k - online rankings

Internet Services

• SegaNet
  SegaNet
  SegaNet was an internet service provided by Sega for the Sega Saturn and Dreamcast video game consoles.-Saturn:In its inception, SegaNet was Sega's online service for the Sega Saturn in Japan...
  
  - for online gaming in North America
• Dreamarena
  Dreamarena
  Dreamarena was a free online gaming service provided with all Sega Dreamcast consoles in Europe. As the console had a bundled 33.6 kbit/s modem built in , it was a dial-up service...
  
  - for onine gaming in Europe
• Dreamcall - for free long-distance telephone services using the Dreamcast Microphone.
• Dream Flyer - for emailing (Japan only)
• Dream Library - download and play Mega Drive and PC Engine games
• Gamefaq - download and upload VMU files
• Gamespy
  GameSpy
  GameSpy Industries, Inc., known simply as GameSpy, is a division of IGN Entertainment, which operates a network of game websites and provides online video game-related services and software. GameSpy dates back to the 1996 release of an internet Quake server search program named QSpy. The current...
  
  - for third-party online gaming.
• PlanetWeb Homepage - build webpages, download flash programs, download VMI, Email access, play games.

Web browsers

• DreamKey - Versions from 1.0 to 3.1 (Europe only).
• Dream Passport - Various versions mouse keyboard and broadband support(Japan only).
• PlanetWeb - Unofficial version 3.0 is keyboard, mouse, flash and broadband compatible.(North America only)
• Sega Web Browser - Official web browser licensed by Sega with revisions from 1.0-2.6 (mouse, voicechat, broadband support).
• XDP - Unofficial web browser with a high number of features.
• "WebTV" - Microsoft Web TV for Dreamcast built with Windows CE.