| Video Slot Machine |  Diamond Poker 7 Stud Poker Model C7-20000CTH | 198? | Bonanza Enterprises, Ltd. Yokohama, Japan |
| Video Slot Machine | Diamond Touch | 1997 | Aristocrat Leisure Industries Pty, Ltd. |
| Video Slot Machine | Diamond Trio | 2005 | AGI Austrian Gaming Industries Novomatic Group |
| Video Slot Machine | Diamond Wheel Deluxe | 202? | Novomatic |
| Video Slot Machine | Diamonds & Hearts Power Pay | 2007 | Aristocrat Leisure Industries Pty, Ltd. |
| Video Slot Machine | Diamonds & Pearls | 200? | Nazionale Elettronica Giochi Italy |
| Video Slot Machine | Diamonds and Dragons | 202? | Novomatic |
| Video Slot Machine | Diamonds Forever | 200? | Aristocrat Leisure Industries Pty, Ltd. |
| Video Slot Machine | Dice Bonus: Triple Challenge | 202? | Ainsworth Game Technology, Ltd. |
| Video Slot Machine | Dice game | 199? | Dinaris |
| Video Slot Machine | Ding Dong Bells | 199? | BGT B. Gaming Technology |
| Video Slot Machine | Ding Dong Bells | 199? | Coin World |
| Video Slot Machine | Dino | 1995 | Panther |
| Video Slot Machine | Dino Dino | 200? | Astro Corp. Taipei, Taiwan |
| Video Slot Machine | Dinosaur | 2003 | Aristocrat Leisure Industries Pty, Ltd. |
| Video Slot Machine | Diplomat | 199? | Eurocoin |
| Video Slot Machine | Doble Bingo | 201? | Zitro Factory, S.L. |
| Video Slot Machine | Doble Bingo Bb | 201? | Zitro Factory, S.L. |
| Video Slot Machine | Doble Bingo Bluewave | 201? | Zitro Factory, S.L. |
| Video Slot Machine | Doble Bonus | 201? | Zitro Factory, S.L. |
| Video Slot Machine | Doble Bonus Bb | 201? | Zitro Factory, S.L. |
| Video Slot Machine | Doble Bonus Bluewave | 201? | Zitro Factory, S.L. |
| Video Slot Machine | Doble Bonus Bt | 201? | Zitro Factory, S.L. |
| Video Slot Machine | Doble Bonus Bt Black | 201? | Zitro Factory, S.L. |
| Video Slot Machine | Doble Bonus I | 201? | Zitro Factory, S.L. |
| Video Slot Machine | Dollar King: Eagle Bucks | 2022 | Ainsworth Game Technology, Ltd. |
| Video Slot Machine | Dollar King: Thunder Cash | 2022 | Ainsworth Game Technology, Ltd. |
| Video Slot Machine | Dollar Storm: Aussie Boomer | 2023 | Aristocrat Leisure Industries Pty, Ltd. |
| Video Slot Machine | Dollar Storm: Fight for Troy | 2023 | Aristocrat Leisure Industries Pty, Ltd. |
| Video Slot Machine | Dolphin Treasure | 1996 | Aristocrat Leisure Industries Pty, Ltd. |
| Video Slot Machine | Dolphin Treasure Cash Express | 1999 | Aristocrat Leisure Industries Pty, Ltd. |
| Video Slot Machine | Dolphin's Pearl | 2001 | AGI Austrian Gaming Industries Novomatic Group |
| Video Slot Machine | Dolphin's Pearl Deluxe | 202? | Novomatic |
| Video Slot Machine | Don Quijote de la Mancha | 2006 | Nova Desitec |
| Video Slot Machine | Doplphin's Pearl Deluxe NovoLine Curve | 202? | Novomatic |
| Video Slot Machine | Double Aces and Faces Bonus Poker Model PP0733 | 1994 | IGT International Game Technologies Reno, NV, USA |
| Video Slot Machine | Double Agent | 200? | Aristocrat Leisure Industries Pty, Ltd. |
| Video Slot Machine | Double Black Jack | 1996 | IGT International Game Technologies Reno, NV, USA |
| Video Slot Machine | Double Bucks Video slot | 200? | IGT International Game Technologies Reno, NV, USA |
| Video Slot Machine | Double Cash | 200? | Astra Games, Ltd. Novomatic Group Bridgend, Mid Glamorgan UK |
