Utilize the input text as a context reference, choose the right relationship between Ubisoft and game from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

GFN offers the richest content to any game streaming service through partnerships with leading digital game stores, including Valve Steam, Epic Games and Ubisoft Uplay.

Answer: member_of