Code notes:
     The  game's codes are matched to the unique user ID of each game,
which  will  vary.  The following codes will only work with games that
have the same user ID. To get a new user ID, keep starting a new game.

Healing hands:
When this code is enabled, players recover from injuries in one day.
Enter CNCWHDJN9LWTA as a code (ID 18146).

Do you want to be in my gang?:
When this code is enabled, you can sign any player. 
Enter 56BP9MJYRF2AA as a code (ID 18146).

Rome wasn't built in a day:
When this code is enabled, stadiums will be built in one day. 
Enter 1CR1WYRLQRBYF as a code (ID 18146).

No more money worries:
When this code is enabled, you will have ?500 million in the bank.
Enter ACXVMDGE761Q1 as a code (ID 18146).

Youth stars:
When this code is enabled, all your youth players will have 100 potential.
Enter 8MDEBK17K1WEF as a code (ID 18146).

Transfer free for all:
Enter ND967RXBTXWQD as a code (ID 18146).
When this code is enabled, the transfer market never closes.