In addition to featuring a single-player campaign mode and an arcade-style rail shooter mode, both versions of the game have extensive multiplayer modes. Both versions can support up to 32 players online on a single server, with six maps and six uniforms, three for Axis and three for Allies. The uniforms for the Allies are "Ranger's 2nd", "Ranger's 4th", and "Ranger's 5th", whereas the Axis uniforms are simply "Axis Rookie", "Axis Regular", and "Axis Elite". There are three different online multiplayer modes available:[1] free-for-all deathmatch, team deathmatch and Infiltration. While the Wii version's multiplayer is online-only, with no offline split-screen multiplayer modes, the PSP version supports local wireless multiplayer among up to 8 players.
In free-for-all deathmatch, players compete to kill as many other players as possible, earning one point for each opponent they kill and losing one point every time they are killed. Team deathmatch divides players into two larger teams, either the Axis or Allies, and players earn points for killing enemy players, while losing points for friendly fire kills or suicides. Infiltration is a capture the flag mode between these same two teams, which compete to hold majority control over a contested flag. An online leaderboard system was powered by EA Nation to recognize skilled players who have scored many kills while suffering fewer deaths.
There are over a dozen Allied and Axis weapons available to use throughout the game, although the multiplayer mode applies small, but significant changes to the behavior of certain weapons, such as nerfing the Stg 44's rate of fire and allowing players to fire bazookas in a non-stationary position.