Various cheats.
     Single-player only. Press TAB, type in code, press ENTER.

Cheat code:             Effect:
zeropercentinterest     gives $10,000,000
canyouspareadime        gives $100,000,000
nomoneydown             gives $100,000,000
iseelondoniseefrance    researches all regions
feelthatmojorising      gives 10 of each resource
idkfa                   gives 99 of each resource
hitmeagain              gives one action card
upmysleeve              gives full hand of cards
impressme               current research project completed