| Slot Machine |  Rapid Wild | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Real Derby | 2003 | Unknown Korea |
| Slot Machine | Red Hot Chilli | 2003 | Aruze Corp. Japan |
| Slot Machine | Reel 'Em In Big Bass Bucks | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Regis' Cash Club | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Regis' Money Mixer | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Return to Rainbowland | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Richie Rich Jackpots | 2003 | Bally Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Ring of Fire | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Ring Quest | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Risque Business II - VIP Room | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Riverboat Queen | 2003 | Aruze Corp. Japan |
| Slot Machine | Roller Coaster | 2003 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Rototron Flamenco | 2003 | Bally Wulff |
| Slot Machine | Royal Chess | 2003 | Subsino Co., Ltd. |
| Slot Machine | Royal GrandPrix Derby - On Air | 2003 | F2 System Seoul, Korea |
| Slot Machine | Royal Island | 2003 | Subsino Co., Ltd. |
| Slot Machine | Royal Joker | 2003 | Rocket Gaming Systems |
| Slot Machine | Royal Ocean | 2003 | Subsino Co., Ltd. |
| Slot Machine | Royal Poker 2 - ACE Coin Version | 2003 | F2 System Seoul, Korea |
| Slot Machine | Sasquatch | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Scatterpillar | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Scroll Top | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Seal the Win | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Set 4 Life | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Seven & Seven | 2003 | San Remo Games srl San Remo, IM, Italy |
| Slot Machine | Seven Deadly Spins | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Seven Times Pay 3-Reel, 2-Coin | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Seven Times Pay 3-Reel, 3-Coin | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Seven Times Pay 5-Reel | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Shark | 2003 | Mega |
| Slot Machine | Silver Jet | 2003 | Panther |
| Slot Machine | Silver Stars | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Siomahal | 2003 | Pioneer Co., Ltd. Japan |
| Slot Machine | Sizzling Hot | 2003 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Skill Squares | 2003 | IGS Co., Ltd. International Game System |
| Slot Machine | Slotsky | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Sniper's Shot Model RW3-003 | 2003 | Dragon Co., Ltd. |
| Slot Machine | Snow Crystal | 2003 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Space Venture Model WMH-208SV | 2003 | Paokai Electronic Enterprise Co., Ltd. Taiwan |
