If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Identify the required color of the balloon correctly and fill it with suitable color. To fill the color, select the color from the palette and click on the balloon to fill color. You will get bonus points by giving color to the parachute. Reach the target in each level within given duration and play further levels.
This game is played with mouse only.