* Please note that the rule 5.5 has been changed as below.

Before

5-4.  Surface of the playground is 30cm X 20cm that divided by beige line. Each area contains either1 wall, 1 trap, a destination or empty area.

After

5-4.  Surface of the playground is 20cm X 25cm that divided by beige line. Each area contains either1 wall, 1 trap, a destination or empty area.