Oh sorry I just assumed game over after map cycle finishes,
The current system is dependant on individual round Round Settings Devices and you will need one for each round of your game.
You will also need a Class Selector for Class 1
then
Round 4 - Round Setting Device 4 - On Round Start - Disable Class Selector 4 and Enable Class Selector 1
Round 5 - Round Setting Device 5 - On Round Start - Disable Class Selector 1 and Enable Class Selector 2
Round 6 - Round Setting Device 6 - On Round Start - Disables Class Selector 2 and Enable Class Selector 3
Round 7 - Round Setting Device 7 - On Round Start - Disables Class Selector 3 and Enable Class Selector 4
Round 8 - Round Setting Device 8 - On Round Start - Disable Class Selector 4 and Enable Class Selector 1
repeat as necessary