Earth 2140 cheats and cheat codes for PC

First step:
Find the earth800.bat OR earth640.bat in the earth 
directory. It should look like this for the earth640.bat:

if not exist vxdldr.exe goto DOS
start /m vxdldr.exe
:DOS
eregcard.exe
dos4gw game.exe x640

Now add the following commands to the file (MS WW) 
to make it look like this:

if not exist vxdldr.exe goto DOS
start /m vxdldr.exe
:DOS
eregcard.exe
dos4gw game.exe x640 MS WW

Do the same with the earth800.bat and the 
first step is complete.

Second step:
During the game, hold down the SHIFT key 
and type the following commands:

rthcshe - add 5000 to money
rthshowmp - Reveal entire map

Water Battle Defense: 
In case the water troops get too powerful,you should 
build some WTP 100 air-cushion transporters and place 
some SPIDER or SPIDER 2 units on them.