| 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 of Fortune | 1998 | Cadillac Jack Duluth, GA, USA |
| Slot Machine | Reel Rich | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reel Wild Progressives | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Reels of Riches | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Roll a Fortune | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Roll and Win | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Roll in the Dough | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Rotomat Trianon | 1998 | Bally Wulff |
| Slot Machine | Rototron Happy Risc XL | 1998 | Bally Wulff |
| Slot Machine | Rototron King Play | 1998 | Bally Wulff |
| Slot Machine | Rototron King Royal | 1998 | Bally Wulff |
| Slot Machine | Rototron Rex Super | 1998 | Bally Wulff |
| Slot Machine | Rototron Summer King Classic XL | 1998 | Bally Wulff |
| Slot Machine | Rototron Sun Game | 1998 | Bally Wulff |
| Slot Machine | Rototron Turnier CL | 1998 | Bally Wulff |
| Slot Machine | Rototron Ultra Time | 1998 | Bally Wulff |
| Slot Machine | Royal Hot 7's | 1998 | Powerhouse Technologies |
| Slot Machine | Royal T's | 1998 | Powerhouse Technologies |
| Slot Machine | Shizhan Sanguo Ji Jiaqiang Ban | 1998 | GMS Co., Ltd. Game Master System Taipei, Taiwan |
| Slot Machine | Shovel Master Gonzo | 1998 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Show Down | 1998 | Mega |
| Slot Machine | Simply Wild | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Slotopoly | 1998 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Sphinx | 1998 | ADP Merkur GmbH Gauselmann Group Germany |
| Slot Machine | Sterling Sevens | 1998 | Universal Co., Ltd Tokyo, Japan |
| Slot Machine | Sunken Treasure | 1998 | Silicon Gaming, Inc. SGI |
| Slot Machine | Super 8 Ways - Joker's Triple | 1998 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Super 8 Ways - Patriot | 1998 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Super 8 Ways - The Multiplier Model 2016 | 1998 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Super 8 Ways JD Junior | 1998 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Super 8 Ways Ultimate Model 2011 | 1998 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Super Eight | 1998 | Powerhouse Technologies |
| Slot Machine | Super Jackpot 7 | 1998 | Universal Co., Ltd Tokyo, Japan |
| Slot Machine | Tabaret T's | 1998 | Powerhouse Technologies |
| Slot Machine | Taj Mahal | 1998 | ADP Merkur GmbH Gauselmann Group Germany |
| Slot Machine | Tango | 1998 | NSM Bingen, Germany |
| Slot Machine | Tähti | 1998 | Ray Espoo, Finland |
