i know ur prob.. i got this too..
look..
go into ur Darkness [The Real One] . rar ...
then unpack the engine.exe on your desktop ..
then do the engine.exe in your darkness folder
and u see ur engine.exe is atm 1.28MB big
and the enigne.exe on your dekstop
is only 1.22 or something big ...
but u must do this everytime
u want to play...
woingenau / baaAm (ingame)
write back when i helped u