public static void Main()
Console.WriteLine(CreatePlayFabTitleId(0x3B3F3A1A));
private static readonly byte[] PlayFabTitleIdPrefix = BitConverter.GetBytes(0xFFFFFFFFFFFFFFFF);
public static string CreatePlayFabTitleIdString(Guid guidTitleId)
byte[] guidBytes = guidTitleId.ToByteArray();
return BitConverter.ToUInt64(guidBytes, PlayFabTitleIdPrefix.Length).ToString("X");
public static Guid CreatePlayFabTitleId(ulong longTitleId)
return new Guid(PlayFabTitleIdPrefix.Concat(BitConverter.GetBytes(longTitleId)).ToArray());