Simple 2-screen split screen, with this you should be able to figure out how to four-screen or however many you need.

                                    ` This code was downloaded from The Game Creators
                                    ` It is reproduced here with full permission
                                    ` http://www.thegamecreators.com
                                    
                                    sync on
make object cube 1,2
scale object 1,100,100,400
position object 1,0,0,0
do
position camera 0,0,-30
xrotate camera 0
set object 1,0,1,0
set camera view 0,0,310,480
sync
position camera 0,30,0
xrotate camera 90
set object 1,1,1,0
set camera view 330,0,640,480
sync
loop