Web = practice. Your best stays in this browser only. Leaderboards, the daily board, hearts and continues are in the app.
How to play
Sum rain
Sums fall like rain. Type the answer before one hits the floor. Add and subtract first, then times, then divide.
Keypad
Tap digits, then ✓. ⌫ deletes. If a sum on screen matches your answer, it pops.
Keyboard
🖱 On a computer, click to tap and drag to swipe.
♔ This game's leaderboard
Only runs played in the app count. Web practice runs are never recorded. Messages are written by players when they enter the top 10.