| ddragon | | Double Dragon (World set 1) | Technos Japan (Taito license) | 1987 |
| ddragon2 | | Double Dragon II: The Revenge (World) | Technos Japan | 1988 |
| ddragon2bl | ddragon2 | Double Dragon II: The Revenge (US, bootleg) | bootleg | 1988 |
| ddragon2j | ddragon2 | Double Dragon II: The Revenge (Japan) | Technos Japan | 1988 |
| ddragon2u | ddragon2 | Double Dragon II: The Revenge (US) | Technos Japan | 1988 |
| ddragon3 | | Double Dragon 3: The Rosetta Stone (US) | East Technology / Technos Japan | 1990 |
| ddragon3b | ddragon3 | Double Dragon 3: The Rosetta Stone (bootleg) | bootleg | 1990 |
| ddragon3j | ddragon3 | Double Dragon 3: The Rosetta Stone (Japan) | East Technology / Technos Japan | 1990 |
| ddragon3p | ddragon3 | Double Dragon 3: The Rosetta Stone (prototype) | East Technology / Technos Japan | 1990 |
| ddragon6809 | ddragon | Double Dragon (bootleg with 3xM6809, set 1) | bootleg | 1987 |
| ddragon6809a | ddragon | Double Dragon (bootleg with 3xM6809, set 2) | bootleg | 1987 |
| ddragona | ddragon | Double Dragon (World set 2) | Technos Japan (Taito license) | 1987 |
| ddragonbl | ddragon | Double Dragon (bootleg with HD6309) | bootleg | 1987 |
| ddragonbl2 | ddragon | Double Dragon (bootleg) | bootleg | 1987 |
| ddragonbla | ddragon | Double Dragon (bootleg with MC6803) | bootleg | 1987 |
| ddragonj | ddragon | Double Dragon (Japan set 1) | Technos Japan | 1987 |
| ddragonja | ddragon | Double Dragon (Japan set 2) | Technos Japan | 1987 |
| ddragonm | ddragon | Double Dragon (Modular System) | bootleg (Gaelco / Ervisa) | 1987 |
| ddragonu | ddragon | Double Dragon (US set 1) | Technos Japan (Taito America license) | 1987 |
| ddragonua | ddragon | Double Dragon (US set 2) | Technos Japan (Taito America license) | 1987 |
| ddragonub | ddragon | Double Dragon (US set 3) | Technos Japan (Taito America license) | 1987 |
| tddragon | | Double Dragon (Tiger) | Tiger Electronics | 1988 |
| tddragon2 | | Double Dragon II: The Revenge (Tiger) | Tiger Electronics | 1990 |
| tddragon3 | | Double Dragon 3: The Rosetta Stone (Tiger) | Tiger Electronics | 1991 |
| tsddragon | | Super Double Dragon (Tiger) | Tiger Electronics | 1993 |
