We hold weekly meetups where people socialise, play mathematical games, work on projects and share problems. The projects range from a number-theory problem to hosting a game-theory hackathon. It's essentially a space to collaborate on maths projects that aren't necessarily useful, but often turn into fun ideas with deep mathematical links. Sometimes it's also just about having a good time with people who enjoy a bit of mathematical fun!

We noticed that ETH was missing a fun maths club. Our weekly meetups have been running since early 2025 and attracted hundreds of people so far. We're a team of students of all levels of many different degrees with a common love for fun (recreational) mathematics.