The doodle lets users guide the alien on a search for parts to repair its spacecraft for a journey home, USA Today reported Monday.
The mini-game is presented in a 1940s black-and-white theme, harking back to the day in 1947 when a mysterious object fell to Earth on a Roswell ranch, sparking decades of speculation involving flying saucers, Air Force coverups of recovered spacecraft and alien bodies.
Authorities insisted that what crashed into the desert was debris from a top-secret surveillance balloon, an explanation that has done little to quell generations of conspiracy theorists, nor stem a tide of books about the incident.
The animated Roswell doodle is the most complex Google doodle to date.
Theater accidentally screens 'Nymphomaniac' trailer instead of Disney's 'Frozen'
Britney Spears on kissing Ryan Gosling, Justin Timberlake in the Mickey Mouse Club