Serious Sum HD Gold Edition [English version with Japanese manual]

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

* As for used products, you cannot play the HD edition in the game because it has Steam certification.
There is no certification for the classic edition in the game, so you can play without any problem.
We are selling this product in the condition mentioned above, so please be aware of it before purchasing.