Manual copy guard
Something outside the game such as a manual, map, a bundled device like Lenslok or speaker is necessary to solve.
Software (12)
| Title | Developer | Year |
 |
Kogado Studio |
1987 |
 |
Kogado Studio |
1987 |
|
T&ESOFT |
1988 |
|
Brain Grey |
1988 |
|
Konami |
1990 |
|
ASCII Corporation |
1989 |
|
Level 9 Computing |
1986 |
|
Mr. Micro |
1987 |
|
Software Projects |
1984 |
|
Konami |
1990 |
|
Level 9 Computing |
1983 |
|
Shinkikakusha |
1988 |