Type these codes directly during gameplay.Enjoy! 

Effect                        Code
-----------------------------------------
Level select                - atmissall
More people at airport      - crowd
$10,000,000                 - donaldtrump
$1,000,000,000              - megarichman
Airport expands             - expander
Eliminate debts             - nodebts
All flights visible         - showall
Notebook                    - thinkpad
Glue                        - moreglue
Stink bombs                 - morestench
Increased reputation        - famous
See passenger thoughts      - bubblegum
Level skip                  - winning
Enemy has $1,000,000,000    - richenemy
All missions in Evolution   - evolutioncomplete
Days pass very fast         - attestxx
Character can move anywhere - attestit