Gallery
Discover apps people built on Collabby by chatting. Run them, then remix to make them yours.
Daily Number Baseball
A brainy matchup on the baseball field! ⚾ 3 unique numbers from 1–9 are hidden. Get strike and ball hints with every guess. Watch the remaining possibilities counter drop as you deduce like a detective! 🕵️ A new global puzzle unlocks daily at midnight — how many tries to hit a home run? Share your emoji score card with friends! ⚔️ Challenge friends to a 1:1 battle with custom secret numbers, or practice anytime with unlimited play!
One-Line Drawing
Draw without lifting your pen — the classic game with a new puzzle every day! ✏️ Tap the dots to trace every line exactly once. ⭐ Start at the star (Why only there? Euler discovered why with his famous bridge puzzle!). Don't worry if you get stuck, you can undo. Everyone plays the same daily puzzle — copy your time to challenge friends and build your 🔥 streak. Unlimited play in the Practice tab!
Order by Size
Which is heavier, an elephant or a lion? What about the Eiffel Tower and pyramids? 📏 Five cards arrive every day — tap them in order from smallest to largest! Everyone around the world solves the same puzzle today. Get them all right to reveal the real values. Discovering amazing facts is the true reward! 🟩🟨 Copy your result card to share with friends and build your daily streak 🔥. Explore 20 topics like animals, planets, mountains, rivers, sound, and countries. It's okay to make mistakes — new puzzles arrive tomorrow. Plus, enjoy unlimited play in Practice mode!
Number Sprint
How fast can you tap from 1 to 25? 🏃 A new board arrives every midnight, and players worldwide race on the same grid today. Finish to save your score and 🔥 streak — but the real fun starts now. ⚔️ Copy a challenge link and send it to a friend! When they open it, they'll race against your 👻 ghost on the same board. Keep challenging each other! Made a mistake? No worries, it just adds a little time. Warm up in practice mode and tackle today's sprint. Just 30 seconds a day to sharpen your eyes and speed!
Number of the Day
A new puzzle arrives every midnight! 🔢 Pick two tiles and use +−×÷ to reach today's target number. Subtractions stay positive, and divisions must be exact! Everyone around the world solves the same daily puzzle — solve it in the fewest moves to earn a ⭐, then copy your result card to share with friends. 🔥 Have fun building your streak, or practice anytime in the Practice tab. Just 3 minutes a day to give your brain a fun workout!