The google doodle start with an alien ship heading for earth, when you click the play button the alien ship starts to descent faster down to earth and it looks like the space ship is having some trouble. In the next scene you can see the skylights and the country side where the Roswell UFO incident appear, and view it like people have described the lights and the crashing at the time.
Once the animation is done, the alien gets out of his ship and you can walk the alien around the game, by using your mouse and clicking where you want the alien to go. At this time there are several options on your screen, if you do not like the eerie sound you can turn it off by clicking on the sound icon.
On the right side of the Google Game screen there is a little planet. The goal of the Roswell UFO incident game is to complete the puzzle and collect all the items necessary to fill the planet and to get the alien home. Step one would be to click on the error on your game screen, and then click on the rock, this is the first part that you need to go home, you will see that the planet icon is now fitted with the first piece of the Roswell UFO incident Google Doodle game.