Examples PxM image files are part of the 'official KiXgolf package' at http://people.bu.edu/jenmeyer/kixtart/kixgolf_pxmagic.zip
It also contains all necessary files and UDF prototypes.
SNAIL.PPM is displayed below, I just took the liberty to convert it to a .GIF file for display purposes
Oh, and, yes, there is a way to display a .PxM file via KiXtart in such a way that it uses a "standard" Windows app. It just requires some creative thinking on how an image is actually being displayed.
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There are two types of vessels, submarines and targets.
