Arc System Works is a Japanese video game company. Founded in 1988 as Arc Co., Ltd., it spent its early years laboring in obscurity as a contract developer for the likes of Creator/{{Sega}}, Face and Banpresto before coming into its own as a publisher in 1995. Since then it has created quite a few of the modern fighting games. Examples include ''VideoGame/GuiltyGear'', ''VideoGame/BlazBlue'' and ''VideoGame/BattleFantasia''.

Not to be confused with the similarly named but otherwise unrelated [[SpellMyNameWithAnS Aksys Games]], a North American distributor known for publishing many of their games in the US. They also have a European branch in the form of Zen United/[=pQube=].

The main team responsible for ''VideoGame/GuiltyGear'' and ''VideoGame/BlazBlue'', originally named "Team Neo Blood", was composed of ''VideoGame/SamuraiShodown'', ''VideoGame/TheLastBlade'', and ''VideoGame/TheKingOfFighters'' developers, which explains why many characters in the first ''VideoGame/GuiltyGear'' game are blatant {{exp|y}}ies or amalgamations of characters from those games, and typical gameplay in their titles tends to be heavily high-damage and combo-oriented, with lots of juggling.

!Early games developed by Arc for other companies:
%% Lack of index markup is deliberate
* ''VideoGame/{{Battletoads}}'' (UsefulNotes/SegaGenesis version)
* ''VideoGame/DoubleDragon'' (UsefulNotes/SegaMasterSystem version)
* ''VideoGame/MichaelJacksonsMoonwalker'' (UsefulNotes/SegaMasterSystem version)
* ''VideoGame/{{Minesweeper}}'' (UsefulNotes/GameBoy and PCEngine versions)
* ''VideoGame/SailorMoonAnotherStory''
* ''[[VideoGame/SolomonsKey Zipang]]'' (PCEngine version)

!Games and series developed by Arc System Works (in whole or in part):
* ''VideoGame/ArcanaHeart 3'' (console and PC ports only)
* ''VideoGame/ArcStyleBaseball3D''
* ''VideoGame/BattleFantasia''
* ''VideoGame/BlazBlue''
** ''VideoGame/BlazBlueCalamityTrigger''
** ''VideoGame/BlazBlueContinuumShift''
** ''VideoGame/BlazBlueChronophantasma''
** ''VideoGame/BlazBlueCentralFiction''
** ''[[VisualNovel/XBlazeCodeEmbryo XBlaze Code: Embryo]]''
* ''[[VideoGame/ShikigamiNoShiro Castle Shikigami III]]'' (co-developed by Alfa System)
* ''VideoGame/ChaosCode'' (publisher)
* ''VideoGame/DoubleDragonIV''
* ''Anime/DragonBallZ: Supersonic Warriors''
* The ''Family/Okiraku [X]'' game series on [[/index]]{{WiiWare}} and on {{Nintendo 3DS}} via eShop.[[index]]
* ''VideoGame/FistOfTheNorthStarTwinBlueStarsOfJudgment''
* ''VisualNovel/GetsueiAcademyKou'' (a former doujin game in collaboration with Creator/TomokazuSugita)
* ''VideoGame/GuiltyGear'' series
* ''VideoGame/HardCorpsUprising'' (co-developed with Creator/{{Konami}})
* ''VideoGame/{{Hoshigami|RuiningBlueEarth}} [[VideoGameRemake Remix]]''
* ''Magical Beat''
* ''VideoGame/Persona4Arena'' (in collaboration with Creator/{{Atlus}})
* ''VideoGame/Persona4ArenaUltimax'' (in collaboration with Creator/{{Atlus}})
* ''[[VideoGame/SengokuBasara Sengoku Basara X]]'' (in collaboration with Creator/{{Capcom}})
* ''Tokyo Twilight: Ghost Hunters'' (co-developed with Toy Box, Inc.)
* ''VideoGame/UnderNightInBirth'' (co-developed with French-Bread)
!Games and series acquired by Arc System Works from Technos Japan
* ''VideoGame/DoubleDragon''
* ''VideoGame/KunioKun''
* ''VideoGame/SuperDodgeBall''