Revitilising that core quake gameplay with new coop elements and features. Help your friends battle through the forces of Quake by giving them some extra ammo and health supplies, or back them up when the spawn director puts you in a tricky situation. even though this is a coop mod you can still play it alone for that added extra challenge.
Here is a demonstration of Quake Coop. It shows features such as the spawn director and drop systems.