The NUS Extra card has changed! Posted on 3rd October, 2018 The NUS Extra card has changed, it is now known as TOTUM card. The TOTUM card comes with all the same great discounts and offers as the NUS extra but with additional features and functionality loaded into a mobile app. Check out our article on the NUS Extra card here. For additional information, please visit the TOTUM section of the NUS Website here.