Gundam Versus Release Date is 6 July 2017 in Japan.

The game will be available in 3 version: Regular and Premium G Sound Edition also Download ver.
http://g-versus.ggame.jp/spec/normal.php
http://g-versus.ggame.jp/spec/sound_edition.php
http://g-versus.ggame.jp/spec/download.php

Preorder bonus:

Hot Scramble Gundam

Download ver. preorder bonus is special theme.