According to statistics, the quality of the air in the city is so exceedingly low that now it affects the citizens. The factory near the city has a gas leak and the fate of the citizens is now in your hands. Do you have what it takes to save your city from getting polluted?
Stop the leakage by laying the missing pipes before the time runs out and your city is doomed. You will face off a 30 level challenge where the puzzles get harder as you progress. Never give up!