Jadestone Group
（重定向自Jadestone）
Jadestone Group is a video game developer based in Stockholm, Sweden. It specialises in mobile and online games and is best known for Championship Manager Online (or CM-Online) alongside partner Eidos Interactive. On February 2, 2010, JadeStone Group announced Championship Manager Online would close on April 30, 2010 and that the decision was made by the games' owners Eidos Interactive.