...or at least the mouse-holes. If you see one in a wall, right click a corridor item (such as the drinks machine or a radiator) and place it over it. Then move the item again and the mouse-hole will have gone.
Open a green [?] fax and click the following numbers on the pad at the bottom "24328". Then press the big button in the top right. Enter one of the codes below, and the woman over the intercom will say, "Warning: A Cheat is running in the hospital!"
Shift-C - Gain $2000.
Ctrl-C - All research is completed.
Ctrl-M - Skips to the end of the month.
Crtl-Y - Skips to the end of the year.
F11 - You lose the level.
After you complete a level and you come to the "board game" type screen, press C and click to which hospital you want to play at.
Click on a little green box on the left hand side which has this ?. You will go onto the fax machine then put in 24328 then press the big green button to the right, come off this screen now. Hold down shift and c and your money will fly up.
Click on the green [?] fax and type "7287" on the pad at the bottom. When you complete the current level, you'll be warped to a secret level.
7827 - After you win the level go to a rat shoot level
24328 - Enable the following codes during game play
SHIFT-C - Get $2000
CTRL-C - All research completed
CTRL-M - Skip to the end of the month
CTRL-Y - Skip to the end of the year
CTRL+S - Doctor with special stills
CTRL+E - Makes one emergency
SHIFT+1 - Extra patient
SHIFT+I - Change patients illness
F11 - Level lose
F12 - Level won