You may think that any game can be chosen and played by any number of players but different games are suited to different groups. Some games are best played by two. Other games may be best for four.
Some games require very little interaction and some are extremely social.
Some are hard to teach newcommers and others require much study. Only the most basic, useful and widely played games will be listed. I will attempt it anyway. Some games appear in more than one category. Klondike - This is the classic.