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{{Infoboxsoftware|image logo = GGPO.png|imagewidth logowidth = 138px|first version = 0.30|third platform = Windows|fourth type = Middleware|developer = Tony Cannon|fifth website = [http://ggpo.netorg/ ggpo.org]|source = [https://github.com/pond3r/ggpo GitHub]|license = MIT License}}'''GGPO''' (Good Game Peace Outan acronym for '''<u>G</u>ood <u>G</u>ame <u>P</u>eace <u>O</u>ut''') is a proprietary an open source middleware designed to allow for near-lagless multiplayerdeveloped by Tony Cannon in 2006. It was originally 's designed for use to hide the appearance of lag in arcade emulatorsonline multiplayer, and it still currently its primary usedoes so using a technique called rollback networking. Specifically, it uses It was first implemented as a web service using [[Final Burn FinalBurn Alpha]]but, because it distributed ROMs to players, it didn't last very long. It has also been licensed by video Cannon used this site for two purposes; to adjust the code according to feedback from players, and to market GGPO to game developers for use in their . Eventually, it was incorporated into games, such as like Skullgirls and Street Fighter III: 3rd Strike Online Edition. While the GGPO service doesn't exist anymore, alternatives exist; Cannon recommends using [https://www.fightcade.com FightCade] specifically.

GGPO is available under the MIT license and is available on [[RetroArch]https://github.com/pond3r/ggpo GitHub] uses a similar system. However, the two are unrelated. ==DownloadExternal links==* [http://ggpoki.infil.net/download/ Latest versionw02-netcode.html Article explaining netcode in the context of fighting games]  [[Category:Tools]][[Category:Netplay]] (requires Adobe AIR)