Google has a history of celebrating special events and anniversaries by sneaking secrets into its products, and Super Mario’s 30th birthday is no exception.

Searching for “Super Mario Bros.” on Google takes you to the results for the beloved 8-bit platforming classic, but that page now has a special secret: under the info card for the game is an animated image of one of its question blocks. It lights up, just like as does in the original game, but that’s not all it does. Go ahead and search for it or check out the video below to see for yourself: