Pong
Seriously, Pong? Yes, Pong. The British Academy of Film and Television Arts hosts an online version of the classic game (http://www.bafta.org/games/awards/play-pong-online,678,BA.html). The original Pong is credited with kick-starting the commercial video game industry that we know today:
The mechanic: Pong takes its name from "ping pong"—a real-world activity where two players use paddles to bounce a ball at each other across a table with a tiny net. Ping pong was adapted from tennis, after people finally realized that all that running around was too much effort.
Some real-world activities lend themselves very well to video game mechanics. ...
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