Airline Tycoon

Cheat mode:
While playing the game type any of the following cheat codes:

Result - Code:
Skip a level - Type "winning" while playing -
Show all flights - Type "showall" while playing -
Select any Level - Type "atmissall" while playing -
Running People - Type "runningman" while playing
People leave airport - Type "panic" while playing
Notebook - Type "thinkpad" while playing
More people Fly Airline - Type "crowd" while playing
Increase Reputation - Type "famous" while playing
Expand Airport - Type "expander" while playing -
Eliminate debts - Type "nodebts" while playing -
Airfield Crowded - Type "missioncrowd" while playing
Additional Money - Type "donaldtrump" while playing
Activate all helpers - Type "mentat" while playing -

Guns:
Purchase the violin case in the second level. Then go to the airibair
place. You will see a violin logo at the bottom. Click on it.
He will thank you and ask you to press the fire hydrent beside
the building. Go inside to find a secret gun shop.

Rick's advice:
On the main floor go into Rick's Cafe for pointers. You will get an
advice from him, on where to pick up a cell phone and the best place
to pick up new orders.

Items:
Go to Duty-Free Shop to buy items that could allow you to
work from anywhere in the airport, saving you the trip
back and forth to the office.

Get the Antivirus disk:
Pick the walking spider before the snake eat it at the "Airtravel".
Then go Back of the Petrolair. Give him the spider. After that, pick
a dart from the deer's head. Enter into the "Advertising Agency".
Give him the dart. Now you can pick up the antivirus disk from
the table next to him.

Infinite sabotage to your competitors:
Get a spider from the Travelagent(T). As long as you keep the spider,
you can sabotage your competitors by going to the Petrolair Backroom.
Note: You can do only one sabotage/day.