elgooG - Google Mirror is a horizontally flipped version of the Google homepage, creating a mirrored world.
Enjoy the Google Chrome Dinosaur Game in 3D online for free. The 3D version adds an extra dimension of realism to the graphics and gameplay.
Bing™ Wallpaper Gallery - Provides Bing daily wallpaper images gallery for several countries.
The "Do a Barrel Roll" (Z or R twice, or Do a Backflip) Easter egg makes the search results perform a 360-degree somersault right before your eyes.
Check your IP address and your current position on map, because I know that:)
Play and record your own music online with the interactive Google Guitar doodle, celebrating Les Paul's 96th birthday.
A rotated version of Bing Search Engine. Bing Backwards, Bing Reverse.
Google's own HTML5 game, inspired by the classic arcade game Snake, was created to celebrate the Chinese New Year 2013. Now, it's an actual game you can play anytime.
Zerg Rush, a playable game created by Google, features small "o" characters that destroy search results if not clicked with the mouse.