By 2001, Kuju was employing a team of 80 developers, in three separate offices around the UK in London, Surrey and Brighton. Their most notable project at the time was "Microsoft Train Simulator". In 2002, Kuju floated on the Alternative Investments Market (AIM) of the London Stock Exchange. Shortly thereafter the company signed its first game with THQ based on the Games Workshop franchise, "". In the following years between 2002 and 2007, Kuju developed titles including "SingStar" games and the "Battalion Wars" franchise.