Did you know...
If you add an entry for damage at range 21 to a seeker, it will never run out of range? The firing range is still limited to 20 (or 21), but the seeker will chase the ship until one of them dies. Makes for some fun planet-based missiles.

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The Unpronounceable Krsqk
"Well, sir, at the moment my left processor doesn't know what my right is doing." -
Freefall