| Slot Machine |  Ramp Up | 1999 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Ramp Up | 2005 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Random Clump | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Rapid Play | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Rapid Play Keno | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Rapid Play Poker | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Rapid Wild | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Rebel 777 | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Record Jackpots Hot Hot Super Respin | 2007 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Record Jackpots Top Star | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Red Hot Riches | 1999 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel 'Em In Big Bass Bucks | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel 'Em In Cast for Cash | 1999 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel 'Em In Classic series | 200? | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel 'Em In! Poker | 200? | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Adventure | 2006 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Big Fish | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Big Pigs | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Big Progressives | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Estate | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Heroes | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Hot Wins | 2006 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Legends | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Rich | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Rich Devil Hot Hot Super Respin Progressive | 2007 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Rich Devil Spinning Streak | 2008 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Wild Progressives | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel'em In! Catch the Big One 2 | 2014 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reels O'Dublin Hot Hot Super Jackpot | 2005 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reels of Riches | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Replicating Wild | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Respin Plunder | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Return of the Titans | 2008 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Return to Planet Loot Money Burst | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Return to Rainbowland | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Rich Little Piggies | 2002 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Rich Rooster | 2001 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Riches of Rome Life of Luxury Progressive | 2006 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Riches of the Amazon | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Richie's Big Night Happy Days | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
