Want to know Google I/O’s date? You’ll have to help solve a puzzle first (Update: Date revealed)
Google I/O starts on May 20.


- Google has released a new game called Prism Shift.
- Finishing the puzzle game will reveal the date of Google I/O.
- The game involves guiding and reflecting beams of light toward a beacon.
Update: February 11, 2025 (5:05 PM ET): The date of Google I/O 2025 has officially been revealed. On May 20, the event will take place at 10 AM PT at the Shoreline Amphitheatre in Mountain View, CA. The event will start with keynotes and be followed by “breakout sessions, workshops, demos, networking opportunities and more continuing on day two.” If you want to register for the event, you can do so starting today.
Original article: February 11, 2025 (2:21 PM ET): Google I/O is a developer event that almost always features hardware announcements and new features for existing products. This event typically happens in May, but we usually don’t learn the exact date until someone cracks Google’s annual puzzle. If you’re up for the challenge, you can try your hand at the company’s latest game to reveal the date of Google I/O 2025.