| Slot Machine |  Ancient Greece - Pay Booster | 201? | Aries Technology |
| Slot Machine | Ancient Ruins 3-Reel Gold Series | 2012 | Rocket Gaming Systems |
| Slot Machine | Ancient Ruins 5-Reel Gold Series | 2012 | Rocket Gaming Systems |
| Slot Machine | Ancient Temple of Money | 1997 | Silicon Gaming, Inc. SGI |
| Slot Machine | Ancient Warrior | 200? | Konami Industry Co., Ltd. Japan |
| Slot Machine | Andalucia | 198? | Rajsa |
| Slot Machine | Andra Poker Card | 198? | Andra S.A. |
| Slot Machine | Andromeda | 2007 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Andy Capp | 19?? | Bally Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Angel 8s | 200? | Diamond Game CA, USA |
| Slot Machine | Angel Blade | 2017 | Scientific Games Taipa, Macau |
| Slot Machine | Angel Hand 5-Card model | 200? | GPS Co., Ltd. Game Power System Taiwan |
| Slot Machine | Angel Hand 7-Card model | 200? | GPS Co., Ltd. Game Power System Taiwan |
| Slot Machine | Angkor | 2008 | Subsino Co., Ltd. |
| Slot Machine | Animal Athletes | 2009 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Animal Circus | 2010 | AGT Advanced Games Technology Taiwan |
| Slot Machine | Animal House | 2018 | Scientific Games Taipa, Macau |
| Slot Machine | Animal Hunt 2002 | 2001 | Unknown Korea |
| Slot Machine | Animal Match | 199? | Sunwise Japan |
| Slot Machine | Animal Party | 2004 | Subsino Co., Ltd. |
| Slot Machine | Animal Treasures Fu Gui Ji Li | 2016 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Animal's Life | 2011 | Bakoo spa Stradella di Collecchio, PR, Italy |
| Slot Machine | Animals Paradise | 2000 | GPS Co., Ltd. Game Power System Taiwan |
| Slot Machine | Animation Poker | 2001 | Unknown Korea |
| Slot Machine | Anniversary Party | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Ant Farm | 2001 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Antarctica | 2009 | Atronic |
| Slot Machine | Antiquary | 200? | Octavian Italy srl Bussolengo, VR, Italy |
| Slot Machine | Antique Appraisal | 2001 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Antique Legend Model PK-208AL | 200? | Paokai Electronic Enterprise Co., Ltd. Taiwan |
| Slot Machine | Antique Treasures | 200? | GTech Corp. Providence, RI, USA |
| Slot Machine | Anubis | 2010 | Mondo Virtuale Pozzuolo Martesana, MI, Italy |
| Slot Machine | Any Way Plus | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Anything But... Six! | 2007 | Barcrest USA IGT Group USA |
| Slot Machine | Anything's Wild Poker | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Anything's Wild Poker Triple Play Five Play Ten Play | 200? | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Apache | 2013 | Microostar |
| Slot Machine | Apache Spirit | 2007 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Apache Valley | 200? | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Apex Deluxe | 1959 | Apex Amusements Australia |
