During the game, type these codes to activate the cheat.
If you're successful, you should here a sound.

Code           Result
-----------------------
atmissall    - Level select
crowd        - More people
donaldtrump  - More Money 
expander     - Expand airport
famous       - Better reputation
mentat       - All helpers active
nodebts      - Eliminate debts
showall      - See all flights
thinkpad     - Notebook
winning      - Level skip
bubblegum    - See people think
runningman   - Faster player
thinkpad     - Get a notebook
more stench  - stinkbombs only use down stairs
more glue    - super glue only use up stairs