High Quality Content by WIKIPEDIA articles! Radical Entertainment is a video game developer based in Vancouver, British Columbia, Canada. It was founded in 1991 and previously developed games for game publishers such as THQ, Microsoft and Fox Interactive. It is now an entirely owned subsidiary of Activision (which is owned by Activision Blizzard) after being acquired by Vivendi Games in 2005. 369 Interactive is a division of Radical that deals with PC-exclusive games, primarily making use of the CSI licensed property. A video game developer is a software developer (a business or an individual) that creates video games. A developer may specialize in a certain video game console, such as Sony's PlayStation 3, PSP, Microsoft's Xbox 360, Nintendo's Wii, Nintendo DS, or may develop for a variety of systems, including personal computers.