Possible download sites:
http://www.moddb.com/games/smokin-guns/downloads

Official RetrOnline Server: Hamachi Server
•Server (Network ID): RetrOnline_SmokinGuns
•Password: RetrOnline_SmokinGuns
•Access: Permanent (24/7)

Compatibility with VPN Clients (Hamachi, Tunngle...):
Perfect!

Game behavior with a bad connection reliability (high ping level, distance):
Good/Try to avoid high ping levels.

Feel free to post a message if:
-> you really like this game
-> you want to share some good ideas
-> you want to organize a game/tournament later
-> you want to see the hidden informations/tutorials
-> you want to encourage other players to join the gaming networks