Press [~] while playing, then type any of the following codes: 

Effect:                   Cheat Code:
cheat_coal                Add Coal
cheat_electricity         Add Electricity
cheat_buildings           Add Buildings
cheat_rank                To up in rank 
cheat_killself            Die

NOTE: 
1)Enter a number 1-9999 for cheat codes cheat_coal and cheat_electricity. Remember 
  the maximum is 4 numbers(9999 is the max)
 
2)If you do this correctly and not pause, then you will get a message 
  that the cheat works 
  
Submitted by dannyhemme and cjone234