1980-Games: All your old favorites

[app103]

All your old favorite arcade games on one site, playable online. 

The section "arcade" on this site offers you the
  chance to play the great 80's classics.
  These old arcade games are gaining a new lease
  of life thanks to an emulator that restores them
  to how they were upon their release.

http://www.1980-games.com/us/

^{I have wasted entirely too much time playing Galaga today.}

[craigcolby]

If you want real arcade emulation of your favorite arcade games from the 80's, at the full speed, there is always, mame (for dos) http://www.mame.net/ , mame32 (for windows) http://mame32qa.classicgaming.gamespy.com/ . Mame and mame32 is a arcade machine emulator, that lets you play all of the classic and modern arcade games from the days of pong, till now.