The butterfly effect

The weather is very unstable. So unstable that the flap of a butterfly's wing can cause a hurricane. A fact that is very, very interesting to your evil genius...

Use your trained low pressure( blue) and  high pressure (red)  butterflies to bring the world's nations to their knees. Control the butterflies (WASD + E to switch/ arrow keys + SPACE to switch) to guide the winds to protect your allies (green)  and obliterate your misguided enemies (red)!  

--HOW TO PLAY--- (Thanks @leokrechmer)

- There are two types of zones: red and green. Green are your ally, Red is the enemy. Their health is indicated by a number.

- Zones get damaged by getting hit by wind, higher wind speeds results in higher damage.

- You control the wind by moving the butterflies.(WASD + E to switch/ arrow keys + SPACE to switch) Blue ones attract the wind, and the red ones repel it. 

- You win the wave by eliminating the enemy zones, and having survivors on your side. the more survivors the more points you get. 

- Pro tip:  move red butterflies to friendly zones