Qix is a hybrid puzzle / shoot 'em up game developed by Konami which was released in 1989 as an arcade game. Besides the arcade version, there were also ports of the game to the MSX2, Famicom, and Game Boy. Quarth was released on the Konami Net i-mode service as Block Quarth, with an updated Block Quarth DX in 2001. It was released without the "DX" suffix in 2005 and was made globally available through Konami Net licensing on many i-mode services offered by mobile operators. In Europe, for example, it was available from O2 UK, O2 Ireland, and Telefónica Spain. [^2^][15]