To enable the cheat go to the fax machine and press "24328"
on the buttons on the fax machine and then press the BIG green button
If you press "7287" on the buttons you will play a rat shooting level
after winning the level.
Shift + Ctrl + C
Gives all items
Shift + C
Gives $10.000
Ctrl + C
All research complete
Start from dos: cd hospital-hospital -lx (where x is the level name)