XFLAG going to starts the next collaboration in Japan in the popular smartphone game the Monster Strike. The next one will be made with the latest Doraemon Movie the Great Adventure in the Antarctic Kachi Kochi.

During this collaboration you can unlock special character in polar costumes just and you can win some of them if you clear the special stages. This is not the first Doraemon collaboration in the game, fans must have to clear it to get the new collection.

Until the start, please watch the latest TVCM again.