Yggdrasil Games The Production Arm of SoftWorlds, who distributes their games. Games include The Quiddity, Market$hare, and v'Magine. http://sw.itgo.com/yggdrasil/

Yetisoft Ltd. Game development, online game licensing, Web site development, animation production, digital arts, character design, screenmate and interactive design. http://www.yetisoft.com.hk/

Yaroze Scene Develops mainly for Yaroze on Playstation. Site includes project details and screenshots. http://www.yarozescene.co.uk/

Yager Development GmbH Describes development of aerial 3D combat/action game, with news, team profiles, and contact information. http://www.yager-development.com/

Yes Ten Style Polish game developer of such titles as Volleyball 04 and Armored Punch. Available in Polish and English. http://www.yes10style.com/

Adventureland: Xenon Short company information and a detailed list of the adventures they have published. http://www.if-legends.org/~adventure/Xenon.html