<p>This is the game of Hangman. You must guess a word, a letter at a time. If you make too many mistakes, you lose the game!</p> <?php echo CHtml::beginForm(); ?> <?php echo CHtml::radioButtonList('level', null, $levels); ?> <br/> <?php echo CHtml::submitButton('Play!'); ?> <?php if($error): ?> <span style="color:red">You must choose a difficulty level!</span> <?php endif; ?> <?php echo CHtml::endForm(); ?>