Adventure Island
The original generation of "Adventure Island" did not choose the cheats Come on boy!
Adventure Island 2
When in the title screen, enter right, left, right, left, A, B, A, B, select the level and click A to enter the screen
Adventure Island 3
Select the cheats: When the title screen, down, up, left, right, B, A, B, A, will directly enter the screen selection screen.
The same is eight levels, the player can be challenged one level at a time.
Adventure Island 4
This generation adds archiving capabilities
Returning to the accommodation to sleep will get a string of passwords, at which point the player must write them down
Then next time you start, click on the option: PASSWORD
Enter the password you got earlier
However, every time the player appears, they start from home and continue with the previous scene. The previous scenes that have been unlocked and the props obtained are all restored at this time.