| Slot Machine |  Asian Treasures | 2010 | Bally Tech., Inc. |
| Slot Machine | Assa 1000 | 200? | Automave Servicios, S.A. |
| Slot Machine | Assa 1001 | 200? | Automave Servicios, S.A. |
| Slot Machine | Assa 2000 | 200? | Automave Servicios, S.A. |
| Slot Machine | Assa 2002 | 200? | Automave Servicios, S.A. |
| Slot Machine | Assa 3000 | 200? | Automave Servicios, S.A. |
| Slot Machine | Assa 3003 | 200? | Automave Servicios, S.A. |
| Slot Machine | Assa 4000 | 200? | Automave Servicios, S.A. |
| Slot Machine | Assa 4002 | 200? | Automave Servicios, S.A. |
| Slot Machine | Assa 4004 | 200? | Automave Servicios, S.A. |
| Slot Machine | Assa 5000 | 200? | Automave Servicios, S.A. |
| Slot Machine | Assara Poker | 200? | Unknown Korea |
| Slot Machine | Asteuroids | 200? | Prisma Engineernig Srl Italy |
| Slot Machine | Astor 1964 De Luxe | 1964 | Astor Florence, Italy |
| Slot Machine | Astoria | 1958 | West Automaten Moers, Germany |
| Slot Machine | Astoria | 1931 | Schwarz, C.M. Leipzig, Germany |
| Slot Machine | Astoria Doublet | 1958 | West Automaten Moers, Germany |
| Slot Machine | Astoria Lux | 1962 | West Automaten Moers, Germany |
| Slot Machine | Astoria Rubin | 1961 | West Automaten Moers, Germany |
| Slot Machine | Astoria Supra | 1960 | West Automaten Moers, Germany |
| Slot Machine | Astra | 1962 | Wulff, Günter Berlin, Germany |
| Slot Machine | Astral | 200? | Billport, S.A. |
| Slot Machine | Astral Gold | 200? | Bingo Electronico De España, S.A. |
| Slot Machine | Astro Cat | 2015 | Incredible Technologies, Inc. Rolling Meadows, IL, USA |
| Slot Machine | Astro Wild West | 200? | Octavian Italy srl Bussolengo, VR, Italy |
| Slot Machine | Astronuts | 200? | Diamond Game CA, USA |
| Slot Machine | Ataman | 2004 | Starlink |
| Slot Machine | Atari Centipede | 2013 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Atari Centipede Reel Edge | 2016 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | ATHENEA -4366-IWR | 200? | Unidesa Universal de Desarrollos Electronicos |
| Slot Machine | Atlantic Adventure | 2009 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Atlantic Treasure | 2004 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Atlantic-Flieger | 1929 | Automatenfabrik Atlantic Berlin, Germany |
| Slot Machine | Atlantic-Record | 1930 | Schulke, Paul Berlin, Germany |
| Slot Machine | Atlantide | 200? | Vital Games Italy |
| Slot Machine | Atlantis | 2002 | Aristocrat Leisure Industries Pty, Ltd. |
| Slot Machine | Atlantis | 2006 | Bally Wulff |
| Slot Machine | Atlantis | 200? | Ace Coin Ent., Ltd. Cardiff, England |
| Slot Machine | Atlantis | 200? | Vlassis Gaming |
| Slot Machine | Atlantis | 200? | Unidesa Universal de Desarrollos Electronicos |
