I want to hook up two computers to play LAN games?

me and my girlfriends brother (who is a room-mate of ours) both ended up buying the same video game, and we dont have internet in our house, i do have ethernet cables from my last house still laying around, however i have no router. if i were to take the ethernet cable and hook one end to his laptop, and the other... show more me and my girlfriends brother (who is a room-mate of ours) both ended up buying the same video game, and we dont have internet in our house, i do have ethernet cables from my last house still laying around, however i have no router. if i were to take the ethernet cable and hook one end to his laptop, and the other end into my desktop, could we compete with one another in the game over LAN? or do i need to use a router?
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