The first, true third-party publisher in gaming history, founded by disgruntled ex-Atari programmers in 1979. International publisher, developer and distributor of entertainment software, especially franchise titles. Best-selling titles include MechWarrior 2, Quake II, Hexen II, Dark Reign, Zork: Nemesis, Cabela's Big Game Hunter and Shanghai for the PC; and Tenchu, Vigilante 8, Nightmare Creatures and Blood Omen for consoles.

Activision maintains operations in the US, Canada, the United Kingdom, France, Germany, Japan, Australia and the Netherlands.

Activision owns a number of foreign companies: Take Us! Marketing & Consulting GmbH (Germany), Combined Distribution (Holdings) Limited (UK), NBG EDV Handels & Verlag GmbH (Germany), CD Contact Data (Benelux territories), as well as developers Raven Software and Head Games.

Activision's major titles include: Asteroids, Apocalypse, Cabela's Big Game Hunter, Cabela's Big Game Hunter II, Dark Reign, Heavy Gear, Heretic II, Hexen II, Nightmare Creatures, Pitfall 3D, Quake II, Tenchu, Vigilante 8, as well as countless titles based on Disney movies.