In Ingress you can create fields completely within fields, e.g. like in this screenshot of north-eastern Oslo: Nested fields in NE Oslo

On the intel-map, they are even indicated in a more intense colour. Does this bring any advantage with regard to hacking or defending the respective portals?


4 Answers 4


There are numerous benefits to making onion fields, ladder fields and advanced onion fields.

Portal defence benefits

The primary benefit with respect to defending portals is that overlapped fields require more links and more links provide greater attack mitigation.

Just as shields provide attack mitigation (removing a portion of any incoming attack), so does each link to a portal. Thus every extra link to a portal causes the opposing faction to have to spend more resources taking down that portal, and gives the defenders more time to recharge the resonators on that portal.

Personal / Agent benefits

There are also benefits to the individual builder. All of the extra links and fields gain you more AP and progress in your badges.

Faction / Regional benefits

For your faction as a whole and your regional statistics in particular, overlapping fields mean more Mind Units and a greater contribution to your factions position.

Other considerations

You have to be careful about the order in which portals are linked in order to gain the benefits though (see the tutorials linked above), and the rules do keep changing, but overall it is one of the best ways to maximise personal and faction advancement, so yes, in my opinion:

  • Overlapping fields are essential to playing the game effectively.

There are no real advantages of doing this (except the fact that doing more links and fields gain more AP :) that's a good reason for doing this).

Even when you make 2 fields inside each other, you gain MU for the first and the second field, if it is not a real advantage, this is not a disavantadge ;) .

  • This answer is now factually incorrect. Overlapping fields have clear strategic and tactical advantages and changes in the game since this answer was written have only made these advantages more acute.
    – Mark Booth
    Aug 18, 2014 at 16:10
  • Unless of course you are a member of the Resistance, in which case this answer is golden. *8')
    – Mark Booth
    Nov 9, 2014 at 1:15

If you get to make the smaller field before the bigger ones you will have made more AP and have more MU because once things are in a field they cannot change (no new links/fields)

  • At least last months we have been happily creating blue links and fields within a larger blue field. Are you sure? Jan 10, 2013 at 22:14
  • I haven't tried recently, this was with V1.00.0 , maybe this has changed! thanks for the info
    – xblitz
    Jan 11, 2013 at 14:03
  • Ah, here's even some evidence: gaming.stackexchange.com/questions/100115/… Jan 11, 2013 at 14:16
  • Can you update this answer to reflect the current version game play?
    – Caleb
    Jan 23, 2013 at 10:19
  • 2
    You cannot create a link at a portal inside a field, but you can link from portals which are on the edge of a field to portals within the field (at v1.44.0).
    – Mark Booth
    Feb 4, 2014 at 23:49

The other advantage is that if a rival faction takes out that internal portal, the size of the field will not change. It forces them to take out the corners only, in which case your team can concentrate defense efforts on fewer portals.

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