A gene splicer file (.spl) is a C1 file format containing specific genes which can be used with CrEd32's gene editor to splice genes which code for specific traits (e.g. essex genes) into a certain norn's genome. Retrieved from "http://creatures.wikia.com/wiki/.spl?oldid=47207" Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.