Thats easy, all engy on saxton.. and tell saxton not to attack.. then you can have your way (only 1 color though, its hard to not let people kill eachother)
Though it's funny to see, I'd think it's boring as hell to do. Because frankly... You do nothing. :lol:
Chasing after eachother with wrenches, while dodging enemy teleporters and quick-teleporting through yours. I bet it's hilarous. Like a game of tag Hehe, saw that one too.
made one of those once was on a custom map and we stacked up to 22 people (wich in the end was kind of skillfull to actualy jump that high and land on ones head hahaha)