In the event you want to create or retrieve achievement types, we have functions to get you there.
badgeos_register_achievement_type( $singular_name, $plural_name )
Register a new achievement types for use in the rules engine. Note that in most cases we recommend programmatically inserting an “achievement-type” post instead, though.
badgeos_get_achievement_types()
Returns a multidimensional array of slug, single name and plural name for all registered achievement types.
badgeos_get_achievement_types_slugs()
Returns only the slugs for all registered achievement types.