"Doctor Who" was a science-fiction BBC TV show about a time-traveling humanoid alien.
Today is its 50th anniversary.
To celebrate that, Google has created an interactive, multi-level game. You choose a character and then try to beat six levels, avoiding aliens, ghosts, and more to flip switches, obtain a letter that spells "Google," and get back to a phone booth. Google times you on your mission to grab all the letters.
Here are some screen grabs below:
