Ish Challenge

How many online courses do UK 25–34s start each year? You probably don't know exactly — but you can get close. That's Ish. Ish is a daily numbers game about smart estimation. Every question asks you to guess a real-world quantity. You won't know the exact answer — nobody does off the top of their head — but with a bit of reasoning you can get surprisingly close. The nearer your guess, the higher your score. How it works • A fresh challenge every day, plus the big weekly quiz — 10 questions, one hour, every Friday • Enter your best estimate and (optionally) your assumptions • Reveal the real answer, your accuracy score out of 100, and the reasoning behind it • Learn something new every single day Play with friends • Climb the global leaderboard, ranked on your accuracy • Create private leagues and invite friends with a code • Build a streak and keep it alive Why you'll love it • Quick to play, hard to master • Actually teaches you how the world adds up • No trivia memorisation — just clever thinking Think you've got a feel for the numbers? Prove it. Download Ish and start your streak today.