A CTools content type plugin for the achievements module

gistfile1.php

<?php
/**
 * @file
 * Per-user badges/achievements CTools content type plugin.
 */

/**
 * The Achievements plugin definition.
 */
$plugin = array(
  'title' => t('Achievements by user'),
  'category' => t('A sensible category'),
  'description' => t('A user\'s earned badges.'),
  'required context' => new ctools_context_required(t('User'), 'user'),
);

/**
 * CTools content type output function.
 */
function MYMODULE_achievements_content_type_render($subtype, $conf, $panels_args, $context) {
  if (empty($context) || empty($context->data)) {
    return;
  }

  // Build the custom content pane.
  $pane = new stdClass();
  $pane->module  = 'vista_';
  $pane->title   = t('Badges');
  // Use the achievement module's user page.
  module_load_include('inc', 'achievements', 'achievements.pages');
  $pane->content = achievements_user_page($context->data);

  return $pane;
}

/**
 * Pane admin form.
 */
function MYMODULE_achievements_content_type_edit_form($form, &$form_state) {
  // No additional config.
  return $form;
}