To use the Steamland cheats you need to download and unpack the cheat enabler listed above. During gameplay use the following cheat keys (they are case-sensitive):

[W] - Win mission
[#] - Get a large train
[x] - Explosion under cursor
[K] - Kill Enemies on screen
[B] - Build mode (?)
[A] - Change army (?)
[D] - Show aidebug (?)
[M] - Set money (?)
[h] - Repair (?)