Askew
When you type Askew or Tilt on google, it tilts

Recursion
When you this word on search, you will be asked again that “did you mean RECURSION”.

Do a Barrel Roll
When you search for this keywork, the page will start rotating clockwise

Google Space
Type this and see everything float *This did not work for me

Google Sphere
Type this. * I then clicked on the Dr. Noob link. Pretty cool

Zerg Rush
When you type Zerg Rush on Google search, aliens zergs come at you in the form of ‘O’.

Atari Breakout
For this, type Atari Breakout on Google Search and then click Image Results. A game automatically starts.

Google Gravity
One of the oldest. Just type in gravity. Again, I had to go to Dr. Noob link

One does not walk into Mordor
Google Maps
From = The Shire
To= Mordor
*This one did not work for me