| Slot Machine |  Super 8 Ways Special | 1990 | Sigma Enterprises, Inc. Tokyo, Japan |
| Nintendo Famicom cart. | Fuzzical Fighter Model SEI-1E | 1991 | Sigma Enterprises, Inc. Tokyo, Japan |
| Nintendo Game Boy Cart. | Popeye 2 Model DMG-PGJ | 1991 | Sigma Enterprises, Inc. Tokyo, Japan |
| Medal video game | Sengoku Mahjong | 1991 | Sigma Enterprises, Inc. Tokyo, Japan |
| Sega Game Gear cart. | Super Golf Model T-26017 | 1991 | Sigma Enterprises, Inc. Tokyo, Japan |
| Nintendo Famicom cart. | Time Zone | 1991 | Sigma Enterprises, Inc. Tokyo, Japan |
| Arcade Video game | Battletech - Center Yokohama | 1992 | Sigma Enterprises, Inc. Tokyo, Japan |
| Nintendo Super Famicom cart. | Maka Maka Model SHVC-MM | 1992 | Sigma Enterprises, Inc. Tokyo, Japan |
| Nintendo Game Boy Cart. | Pocket Battle Model DMG-CBJ | 1992 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Round Slot | 1992 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Super 8 Ways Special Progressive | 1993 | Sigma Enterprises, Inc. Tokyo, Japan |
| Sega Game Gear cart. |  Super Golf Model T-26027 | 1993 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | The Derby Mark-V | 1993 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Scatters Fan | 1994 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Lotus Deal - Free Deal Twin Jokers | 1995 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Marine Blue | 1995 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Miss Nineteen | 1995 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Raise Draw - Joker's Double | 1995 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Summer Vacation | 1995 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | The Derby Mark-VI | 1995 | Sigma Enterprises, Inc. Tokyo, Japan |
| Arcade Video game | Hana Botan | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Redemption mechanical game | Kerorin Pick | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | King Lotus - Free Deal Deuces Wild | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | King Lotus - Repeat-Win Twin Jokers | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Lotus Deal - Free Deal Deuces Wild | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Lotus Deal - Repeat-Win Twin Jokers | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Multi 8 Ways Fruits | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Multi 8 Ways Ghosts | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Redemption mechanical game | Penny Fall Special | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Planet Carousel | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Surfin' USA | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Wedding Bell | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Bonus Spin - Joker's Double | 1997 | Sigma Enterprises, Inc. Tokyo, Japan |
| Medal video game | Burning Tricycle | 1997 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Double Double Jackpot Model VP106 | 1997 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Gegege no Kitaro - Youkai Slot | 1997 | Sigma Enterprises, Inc. Tokyo, Japan |
| Medal video game | Itazura Daisuki! Sushimaru Kun | 1997 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Janken Monster | 1997 | Sigma Enterprises, Inc. Tokyo, Japan |
| Medal video game | Minna Atsumare! Dodge Hero | 1997 | Sigma Enterprises, Inc. Tokyo, Japan |
| Medal video game | PEPSI Man | 1997 | Sigma Enterprises, Inc. Tokyo, Japan |
