Click revision for how to find the 1/5 of difficult numbers like 27. Click Play to play the game! If it doesn't work, press the green flag again. PS. You must be logged in to set the high score.
Every week I'll refresh the high-score! Week 1 - Still to be set Week 2 - Still to be set Week 3 - Still to be set Week 4 - Still to be set Week 5 - Still to be set