Flagenius

Become a world trivia master in Flagenius—the engaging flag card game by HEY! (Taiwan), inspired by Japan’s Flag King! Designed for 2–8 players ages 6 and up, and playable in just 10–15 minutes, Flagenius turns global learning into fast-paced party fun.

Shuffle and deal flag cards featuring the patterns of 197 countries. Each round, players answer questions like “Which country has the largest area?” or “Which nation has the longest official name?” by playing the flag card they think matches best. Flip the cards to reveal the answer and see who wins the trick! With simple rules and educational gameplay, Flagenius keeps everyone guessing, learning, and laughing.

Perfect for family gatherings, classrooms, or party groups, Flagenius combines trick-taking mechanics with geography knowledge for memorable, interactive play.