
Typing "zerg rush" in Google.com returns the regular Google search results for this unusual term, but soon, little O's (from the Google logo) start dropping from the top of the page.
Use your mouse to click and destroy the O's - or zerglings - before they eat your search results and gather into two, large G's on the page. At the end of the game, you can share your scores via Google+, telling followers how many zerglings you took down.
The term Zerg Rush originates from the real-time strategy (RTS) game Starcraft. "The 'Zerg' race is notoriously known for its ability to mass-produce offensive units within a short time frame, thus allowing the player to overpower the opponent by sheer number.
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