"Screw Legions" was probably one of the most fun game mods I played before instantaction went down. It was basically skydiving for the flag with overdrive. The server was modded to have no damage so people could do infinite OD. One person would grab the enemy flag and OD up in a spiral so as to not go OOB. The rest of the players on this person's team would follow him/her with their OD. When the player with the flag had reached a sufficient height, he would toss the flag. Then the players following with OD would dive after the flag trying to grab it at extremely high speeds. It was fun to just watch these players dive bomb after the flag and how they would bounce off each other if they got too close due to their OD. Me and many others really liked this game mode. Though, it might not make it to the top of the list, I wish it would be possible for us to do it again.