then you need to download Adobe Flash Player for your computer.
If you are on a tablet or phone, then you need to download BrainDrop from
the App Store or Google Play.
Use the left and right arrow buttons to drop the gold ball down to the bottom of the rows without dropping any silver balls. Once you beat a level, you can replay it by clicking on that level's number in the lower left corner. Your best for each level is the least number of moves you have used to beat the level.