| Slot Machine |  Rock On! | 2004 | GTech Corp. Providence, RI, USA |
| Slot Machine | Rock the Croc | 2004 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Rocket Riches | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Rocky | 2004 | AGMN Co., Ltd. Korea |
| Slot Machine | Roll to Riches | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Ron Popeil's But Wait! Win More! | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Royal Bingo | 2004 | F2 System Seoul, Korea |
| Slot Machine | Royal Casino Paradise | 2004 | F2 System Seoul, Korea |
| Slot Machine | Royal Family | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Royal Kicker | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Royal Las Vegas | 2004 | F2 System Seoul, Korea |
| Slot Machine | Royal Paradise | 2004 | F2 System Seoul, Korea |
| Slot Machine | Royal Poker 3 | 2004 | F2 System Seoul, Korea |
| Slot Machine | Royal Queen Bee | 2004 | Subsino Co., Ltd. |
| Slot Machine | Russian Riches | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Russian Treasure | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Sapphire Sevens | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Sawbucks | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Searing 7s | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Second Party | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Secret Stars | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Seeing Stars | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Sev-Vin the Clowns | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Seven Streak | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Seven Strike | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Seven Times Pay Party Party Time! | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Sevenman Bonus | 2004 | Dragon Co., Ltd. |
| Slot Machine | Shake Dem Bones | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Shake Your Booty | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Shanghai Surprise | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Shining Crystal Model WMH-209SC | 2004 | Paokai Electronic Enterprise Co., Ltd. Taiwan |
| Slot Machine | Shiny Penny | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Show Boat | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Silver Moon | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Silver Penny | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Sixth Cents | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Sixth Party | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Sixth Party Level | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Skull Magic | 2004 | Aruze Corp. Japan |
| Slot Machine | Slumber Party | 2004 | IGT International Game Technologies Reno, NV, USA |
