SlamIt Pinball offers just one single table, which isn't necessarily a bad thing, and at this point I would have liked to tell you something about how it plays.
But the game gave me a challenge I wasn't up to: Some moments into a match the game crashed... every time. Rarely I've experienced such a bug-ridden, broken piece of software. The fact that its release dates back to 2007 and its still in an unplayable state today is a clear hint that the devs abandoned their game. There are even options in the main menu, for example the controller settings, that make the game crash when you click on them.
Yes, apparently the game was supposed to have the option to be played with a Xbox 360 controller. But the main feature SlamIt Pinball owes its name to involves the keyboard. Slamming your keyboard in different regions nudges the table in a corresponding direction. This innovative mechanism posed one problem: In Windows some keys and key combinations are assigned to specific functions and by slamming wildly onto your keyboard you are bound to hit one of them. And this is the solution the devs came up with: Starting the game adds an entry to your Windows registry that disables all the functions that could get in the way of playing the game. Closing the game removes that entry. This would actually work if the game wouldn't crash regularly but if the game isn't properly closed through the main menu the registry entry stays. I didn't know about that and after I finally gave up on SlamIt Pinball and uninstalled it I noticed that none of the keys were working, Windows key for the start menu, Ctrl+Alt+Del for the task manager, etc... nothing. Took me quite some time to figure out the cause.
Stay away from this utterly broken game and satisfy your pinball needs with Pinball Arcade (if you prefer authentic recreations of real-life tables) or Pinball FX2 (for a diverse selection of fantasy tables) instead.