Updated on the 21st of February // The Codes haven't changed since V16.
V17 & V16
password_for_10 = "40379"
password_for_20 = "80539"
V15
password_for_10 = "21684"
password_for_20 = "90243"
V14.5
password_for_10 = "72154"
password_for_20 = "27896"
V14
password_for_10 = "62192"
password_for_20 = "44285"
V13.5
password_for_10 = "57688"
password_for_20 = "07690"
V13
password_for_10 = "72072"
password_for_20 = "00841"
V12a:
password_for_10 = "44821"
password_for_20 = "95606"
V11a:
password_for_10 = "14211"
password_for_20 = "31902"
V10a:
password_for_10 = "81982"
password_for_20 = "27824"
Credit to
Cartageno for the instructions.
1) Visit the girl (click on the house they live in and select "Search for XXX" in her room)
2) Go to "Change Background"
3) Choose one of the locked ones
4) Game will ask you for the code - enter it