Allied numbers have always been supreme in War of Supremacy, no doubt due to the feelings of patriotism of those who sign up. The allies also have good clan structure in that they have a clan for newer players and a clan for more experienced players.

Many of the allied players are from the USA and some with ex or current military backgrounds.

Currently available Allied Countries:
(Click for more information on each including country bonuses.)
Great Britain - Strong in the air and the domestic, takes longer to prepare for battle.
Russia - Gains an increased platoon rate, has strong ground units and intelligence, has a weak navy.
USA - Has the greatest production bonus in the game, has increased upkeep costs.