Complex sentence: The game is still available today, manufactured and marketed by the Milton Bradley Company in the UK and by Mattel in the USA, although the modern version uses a pink or blue tube rather than the original purple-colored tube.
Split into simpler sentences: The game is manufactured and marketed by the Milton Bradley Company in the UK and by Mattel in the USA. The modern version of the game uses a pink or blue tube rather than the original purple-colored tube.