Jagex Games Studio, based in the St John's Innovation Centre in Cambridge and usually referred to as Jagex, is the UK’s largest independent developer and publisher of online games. It is best known for Runescape, the world's largest free-to-play MMORPG. The company's name comes from its original slogan, "Java Gaming Experts".

In addition to RuneScape, Jagex has released 43 casual games on its FunOrb portal and published several independently developed titles.

Jagex has over 480 employees who provide content development, employee management, and customer support in house. More: en.wikipedia.org.