I have ben playing Of Guards and Thieves and me and my Future clan clan in the Future have already made modded games.
Free For All/ FFA Mod
You need to put every body on Thieves and then you pick any map. FF On
Rule 1. Only knives
Rule 2. No Guards
Rule 3. Only scorpion class
Slender Mod
Every one but one person is a guard. You need zombie rush mode to play. And map must be Military camp for space to play
Rule 1. If your playing your a Scout
Rule 2. If you die you become an Assault then you spectate
Rule 3. You can not kill zombie
Rule 4. You can bush hide
Rule 5. Optional Pistol to give the flash light feel
Rule 6. You can not camp
Rule 7. You have to spread out
Rule 8. zombie does not attack brain other wise Guards can kill
Rule 9. I map lights off
Future clan(my clan) came up with this.
VIP assassination.
You play Of Guards and Thieves mode. Any map.
Rule 1.The VIP is assault class every body elts is a scout class
Rule 2.Thieves cannot take the item until VIP is killed
Rule 3. Thieves cannot pick up the item until VIP is Killed
Rule 4. Guard team picks the VIP before game
Rule 5. Once VIP is killed then its regular Of guards and thieves mode.
The Future clan (which is still my clan) also came up with this Game mode