In celebration of the New York Public Library’s centennial festival weekend, game designer Jane McGonigal has crafted the “Find the Future” scavenger hunt.

500 players will join the “Write All Night” event on May 20th. Inside the Stephen A. Schwarzman Building, they will use laptops and smartphones to find 100 objects from the library’s collection of treasures and perform a related-writing challenge.

The video embedded above features a promo clip for the event; it seems to mimic The Da Vinci Code‘s film trailer. If you want to participate, just answer this question: “In the year 2021, I will become the first person to __________.” Submit your answer before 11:59 PM Pacific Time on April 21st.

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