Answer:
Old: No graphics or very lousy graphics.
New: Very Good graphics compared to the old ones.
Old: More text based games.
New: Text often does not appear or is integrated with the game.
New:bad and strong influence on eyes
Old:nearly no harm.
New: Does not play well on any thing older than windows 2000
Old: Won't play AT ALL on anything newer then windows 2000 -like vista- Need emulators or emulator modes. May need to be ported.
Old : Most People played outside in those times
New: Most people play computer games
Old: Games were either free or commercial. Commercial games would cost around $30-50.
New: Pricing differs from $1.00 to $70.00
Old: Often little copy protection
New: More copy protection
Old: Only played on one system.
New: Many games are ported to multiple systems and platforms.
Old: Sound used triangulation. If they had sound it was very shrill. Single sound voice.
New: Sounds are mostly refined. Usually at least 2 layers of sounds, background music, and sound effects. Sounds can blend into each other and fade in or fade out.
Old: Often games were developed by a single person, or small teams.
New: Games can still be developed by a single person, but some gaming companies consist of hundreds of people.