Here's a nice ringmod / aliaser. Perfect for those 8-bit sounds. I don't know when I'll ever have any use for this kind of effect, but it's fun to play around with. :)
I used a vero layout from a member (Albru80) of the tagboardeffects forum (original thread here). But I ended up using a modified version of his layout and omitted a few of the knobs such as gate, width and volume. Sometimes simpler is better. :) Here is the modified layout I ended up using.