领取网址:
https://www.indiegala.com/extra
steam介绍:
http://store.steampowered.com/app/287120/
领取方法:
1.先加入[IndieGala STEAM GROUP](有加入就可以跳过了)
加入网址:http://steamcommunity.com/groups/indiegala
2.填写e-nail
3.收信点领取连结
4.选择Ionball 2: Ionstorm点下去
5.点选Your Game Keys旁边的按钮领取(要登入steam)
6.完成!