| Shadowgate | Nintendo Entertainment System |
JP | 1989-03-31 | developed |
| Shadowgate | Nintendo Entertainment System |
US | 1989-12 | developed |
| Shadowgate | Nintendo Entertainment System |
EU | 1991-05-30 | developed |
| Shadowgate | Nintendo Entertainment System |
FR | 1991-05-30 | developed |
| Shadowgate | Nintendo Entertainment System |
DE | 1991-05-30 | developed |
| Shadowgate | Nintendo Entertainment System |
SE | 1991-05-30 | developed |
| Sherlock Holmes - Consulting Detective | PC Engine / TurboGrafx-16 |
US | 1991-06 | developed |
| Sherlock Holmes - Consulting Detective | PC Engine / TurboGrafx-16 |
JP | 1991-07-26 | developed |
| Yo' Bro | PC Engine / TurboGrafx-16 |
US | 1991-09 | developed |
| The Addams Family | PC Engine / TurboGrafx-16 |
US | 1991-11 | published, developed |
| Makai Eiyuuden - Shape Shifter | PC Engine / TurboGrafx-16 |
JP | 1992-09-25 | developed |
| Ghost Manor | PC Engine / TurboGrafx-16 |
US | 1992-10 | developed |
| Shape Shifter | PC Engine / TurboGrafx-16 |
US | 1992-10 | published, developed |
| Sherlock Holmes - Consulting Detective | Mega-CD / Sega CD |
US | 1992-11 | developed |
| Dracula Unleashed | Mega-CD / Sega CD |
EU | 1993 | developed |
| Dracula Unleashed | Mega-CD / Sega CD |
US | 1993 | developed |
| Camp California | PC Engine / TurboGrafx-16 |
US | 1993-01 | published, developed |
| Sherlock Holmes - Consulting Detective | Mega-CD / Sega CD |
EU | 1993-04 | developed |
| Sherlock Holmes - Consulting Detective - Vol. II | PC Engine / TurboGrafx-16 |
JP | 1993-05-28 | developed |
| Sherlock Holmes - Consulting Detective - Vol. II | PC Engine / TurboGrafx-16 |
US | 1993-06 | developed |
| Sherlock Holmes - Consulting Detective - Vol. II | Mega-CD / Sega CD |
EU | 1993-09 | developed |
| Sherlock Holmes - Consulting Detective - Vol. II | Mega-CD / Sega CD |
US | 1993-09 | developed |
| Wile E's Revenge | Super Nintendo Entertainment System |
EU | 1993-09 | developed |
| Beyond Shadowgate | PC Engine / TurboGrafx-16 |
US | 1993-12 | published, developed |