Ever since New Year's Day 2000, Google has made itself known for altering its logo in remembrance of a holiday, anniversary, or other special day. In this gallery, we take a look at 30 of the most memorable, geeky Google Doodles
from 2009 and 2010 so far.
In what is possibly the most popular Google Doogle ever, Google created a fully functioning PAC-MAN game to replace its logo on May 21, 2010 in celebration of PAC-MAN's 30th anniversary
. While the image above is not functioning, Google has left a working version here
. Simply click "Insert Coin" and you're on your way.
Image credit: Google