I/O Crossword

Design team
Bruno Vasconcelos
Chris DiFiore
Josh Planz
Vicky Young
Victoria Carolina
Agencies
Hopr
Very Good Ventures
Clients
Flutter
Firebase
Gemini
Google for Developers
Brief
Showcase Gemini’s AI capabilities for game development, powered by Flutter.

Solution
A multiplayer crossword game built with Flutter and powered by Gemini, turning Google I/O content into a playful challenge where players solve clues, compete as teams, and use AI-powered hints to keep moving.

0
AI-powered hints per word
0
AI-generated words crossed
0
%
Made in Dart language
The game launched at Google I/O Connect Berlin and is available as an open-source project on GitHub.
The game was also featured as a flagship showcase on the Google for Developers website, reaching a global audience of millions.





Credits
Jay Chang
Flutter Team / Client
Kelvin Boateng
Flutter Team / Client
Shannon Campbell
Project Owner
Erick Zanardo
Developer
Jaime Galarraga
Developer
Mark Fairless
Developer
Tomas Piaggio
Developer
Samantha O'Brien
Developer
Alejandro Santiago
Developer





