Zeroed is a social advantage described in Basic Set, p. 100.
Sean Punch has commented on Zeroed in the following posts to the SJG GURPS Forums:
- On Zeroed requiring off-screen maintenance for it to be useful as an advantage. 
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.