GREEN
03/09/2009 05:12 am ET | Updated May 25, 2011

Let It Flow: Save Animals And Crops From A Water Crisis

This game was made for free to support UK's Red Nose Day.

Rotate the pipes by clicking on them so that they connect from the pump to the crops and animals before the time runs out.

Watch out for spillages, and don't forget to pump the water to get it moving.

One of the most popular flash games ever. It's had millions of plays worldwide.