Build armies and attack other players. * 16 types of World War 1units -- infantry: riflemen, grenadiers, machine guns -- heavyweapons: artillery cannons, tanks, anti aircraft guns -- flyingunits: fighter airplanes and bomber airplanes, transport balloons-- special units: medics, diplomats, spies, trumpeters * 21 typesof buildings -- build and train fighting units -- gold mines,silver mines and treasuries -- defense fortifications and bunkers-- special buildings: embassy, spy headquarter, hospitals, airports* Collect Powerups to improve specs of buildings and units --Powerups Health, Capacity, Damage, Speed, Radius