I think you'll need hamachi, but im not sure :S
OS: Microsoft Windows 7 x64
MBO: ASRock Z77 Extreme 4 S1155
CPU: Intel i7 3770 @ 4.0Ghz
GPU: Nvidia Geforce GTX 670 2GB
RAM: Corsiar 16GB DDR3 1600 (800MHz)
MBO: ASRock Z77 Extreme 4 S1155
CPU: Intel i7 3770 @ 4.0Ghz
GPU: Nvidia Geforce GTX 670 2GB
RAM: Corsiar 16GB DDR3 1600 (800MHz)