Hold against enemy hordes. Online CO-OP and Deathmatch!
More details: Clashofaggression.wordpress.com
You should mark the game as executable (CoA.x86 or CoA.x86_64) in order to be able to play.
It has been tested on LAN. It should work on the net too. Port 7777 must be open in the firewall (if any) and in the router.
Instructions, port and NAT check, and guidelines included in-game before hosting or connecting to a host.