Hudson Soft was a Japanese video game publisher and developer, headquartered in Sapporo, Japan. Founded in 1973, it was bought by Konami in 2000, who owned the company until March 1st, 2012, when Hudson was shuttered and officially made part of the larger Konami Digital Entertainment group.

Founded in 1980, Sierra developed and published such classic series as King's Quest, Space Quest and Police Quest. The name is currently used by Activision as an indie-style publishing imprint.

Majesco Entertainment Company is an innovative developer, marketer, publisher and distributor of interactive entertainment for consumers around the world.