Just whipped this up with prometheus 0.1.x libs in around an hour to try it out for myself. Paul, i'm sorry about using your sprites from the probe (tm i think) but I just had a random idea and this option required the least amount of work. (30sec on pdn based on the banner)... It's named probewars after the graphics used.
I have uploaded as zipped attachments (its small). Of course, if you feel this is infringing your rights, do tell and I will remove the files and replace them...
The story line is you press space to fire, and you have to remove all anti-matter evil probes (white).
Arrow keys to move. The source is very sloppy, but I just wanted to do a quick demo that I may refine and release with the 1.0.0 prometheus lib later this week.
Ps. in the source folder there is the source for probewars and both core and vid units of prometheus. feel free to edit whatever little there is there.