The Runaway Train slot machine is like one of those games you used to get in UK seaside amusement arcades. You also used to get this type of game in the US, but you won't find anything like this in Vegas these days.
The basic theme is of a classic 3 reel slot machine. It has a very different feel from modern 3 reel games though. So, it could make a refreshing change from playing games like Wheel of Fortune and Double Diamond