Overflow is a classic puzzle favorite where the object of the game is to connect the different straws, so that the fluid will run unhindered from start to finish.
If you're too slow and can't connect the straws, the soda will spill out and you will have to start all over again.

The more straws the soda passes through, the more points. The levels get more and more difficult as you progress, with straws already placed out on the level which you will need to pass through.
Now and then bonuses popup, and you will need to put a straw on the spot where the bonus is, in order to get it. Have fun!