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[Rwolf]

About those malware-tagged/suspect windows files: Days of the Rabbit, Martian Death Machine, Blood-feast of the Vampyr, Gateway of Evil;

what I can see is that they are compressed executables made by the 'Clickteam' development system used, which mean they will be unpacking themselves and running from memory, which is a method used by some malware to hide itself. So this method in itself is seen as suspicious behaviour by scanners, regardless of content.

The developer needs to untick compression when making the executable for this not to happen. Of course we cannot do so, since we have no source.

And no, the games don't like 64bit environment, nor XP 32bit, even if they are 32bit executables.
Possibly they could work (more than once) in a Win9x environment, but I haven't tried yet.