Можно еще вот так:

Код:
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using maddox.game;
using maddox.game.world;


public class Mission : AMission
{
  /// <summary>
  /// Returns a list of all users
  /// </summary>
  private List<Player> GetPlayers()
  {
    var result = new List<Player>();
    if (GamePlay.gpRemotePlayers() != null)
    {
      result.AddRange(GamePlay.gpRemotePlayers());
    }
    if (GamePlay.gpPlayer() != null)
    {
      result.Add(GamePlay.gpPlayer());
    }
    return result;
  }

  /// <summary>
  /// Returns a list of all users of specified army
  /// </summary>
  private List<Player> GetPlayers(int army)
  {
    return (army < 0) ? GetPlayers() : GetPlayers().FindAll(player => player.Army().Equals(army));
  }

  /// <summary>
  /// Sends a message to the screens of all users of specified army
  /// </summary>
  private void BroadcastScreenMessage(int army, string format, params object[] args)
  {
    GamePlay.gpHUDLogCenter(GetPlayers(army).ToArray(), format, args);
  }

  /// <summary>
  /// Sends a message to the logs of all users of specified army
  /// </summary>
  private void BroadcastLogMessage(int army, string format, params object[] args)
  {
    GamePlay.gpLogServer(GetPlayers(army).ToArray(), format, args);
  }
  
  public override void OnBattleStarted()
  {
    base.OnBattleStarted();

    BroadcastScreenMessage(1, "Your army color: {0}, your side: {1}", "Red", "Allies");
    BroadcastScreenMessage(2, "Your army color: {0}, your side: {1}", "Blue", "Axis");

    BroadcastLogMessage(1, "Big group of german {0} heading to {1}.", "Bombers", "London");
    BroadcastLogMessage(2, "Group of our {0} need to cover in their raid to {1}, rendezvous point at sector {2}.", "Heinkels", "London", "G9");  
  }
}