In The Sims, there is only a pinball machine that costs about §1,000. The Sims: Vacation adds a couple of arcade games, and The Sims: Makin' Magic adds an arcade game that fits the general theme of Magic Town.
In The Sims 2 base game, there are two pinball machines that cost around §1,000. The Sims 2 University adds two arcade games which are priced slightly higher than the ordinary pinball machines, as well as another pinball machine. In The Sims 2 Seasons, the Gamer career is added to the game, and the career reward is a giant pinball machine.