S.E.P. field, I'll give and to those who know the reference. Listing of Rules applied to all 3 in the High to Low of Civ's, unless stated otherwise. 1. 30 Units per tile Maximum. 2. Can't build workers. 3. Can't build siege, only 4 max of battering rams. 4. Have to settle a 'Grid to work every tile on continent' pattern, with over lap in 3rd ring to the North East (lower city) to South West corner (Upper city). (3rd civ only) 5. Must settle ALL great Generals, but can inherit a Great General unit. (3rd civ gave me one) 6. NO COTTAGES, HAMLETS, VILLAGES OR TOWNS!!!!!! 7. I must run a minimum 20% Culture slider for game post Music. 8. Coastal settlement – I’m allowed to vary the Grid to Gain coastal cities, but only up to 2 cities, including the coastal city. (3rd Civ only) 9. I must research by Columns, and not rows. Techs with 1 turn remaining from conquest are exceptions. 10. Base improvement allowed only, but I’m allowed to build the upgraded improvement where; the base improvement isn’t able to be built. I.E. Shaft mine for Uranium, on ice, Industry on tundra (can’t build workshop) 11. A spy/Agent/Hacker in every city. 12. I can only research bulb in current research column.