pong

Pong in your terminal. Why not?

Pong

In Node, with your terminal. Thanks go to TooTallNate's ansi module for terminal trickery.

npm install -g pong

Pretty straight-forward, once it's installed just type pong into your terminal to get started. There's a couple of options too:

Usage: pong [--beep|--help|--width <number>|--height <number>]
 
Options:
  -W, --width   Set the width of the playing field   [default: 80]
  -H, --height  Set the height of the playing field  [default: 24]
  -b, --beep    Enable beeping                       [boolean]  [default: false]
  -h, --help    Help!