you know http://web.archive.org ? the first link is dead, but it wasn't in may 2006, try this: http://web.archive.org/web/200605180...6/killmall.exe

edit: on my computer, game works, but mouse seems to behave quite strange, but it my be a case of hardcore resoution ( > full hd) haven't tried this on N900, but doubt it will work - it's 32bit, not 16bit... (I mean. afaik 16bit application wouldn't run on windows 7 64bit)

edit2: yep, result of running "C:\KILLEM~1\KILLEM~1.EXE" in Windows version of DOSBox:
The requirements in readme.txt: Windows 95/98/ME/2000" and DirectX 7.0