Tim: this is how i assigned characters to everyone playing

assign-characters.m

-(ClueGameService*) initNewGameWithPlayers:(NSArray *)gkTurnBasedParticipants
{
    self = [super init];
    
    NSMutableArray *playersList = [[NSMutableArray alloc] initWithCapacity:[gkTurnBasedParticipants count]];
    
    // The first player is always ms scarlet. don't care about the rest
    NSArray *allCharacters = [[NSArray alloc] initWithObjects:[ClueCharacterFactory msScarlet], [ClueCharacterFactory colMustard], [ClueCharacterFactory mrsWhite], [ClueCharacterFactory profPlum] , nil];
    
    for (int i = 0; i < [gkTurnBasedParticipants count]; i++) {
        Player *player = [[Player alloc] init];
        player.participant = [gkTurnBasedParticipants objectAtIndex:i];
        player.character = [allCharacters objectAtIndex:i];
        player.location = [player.character name];
        
        [playersList addObject:player];
    }
    
    players = playersList;
    currentPlayer = [playersList objectAtIndex:0];
    
    return self;
}