According to the Wiki, Spies is a technology which

allows a player to see their enemies' Line of Sight.

And Cartography:

allows a player to share their allies' Line of Sight.

In this case, if I research Spies, will my ally be able to see my enemies line of sight? If yes, we could split the required gold

  • If this is possible, I could split the research cost with my ally Jan 4 '14 at 17:12
  • 2
    I don't believe it does but will test it out and come back later.
    – rlecaro2
    Feb 14 '14 at 15:23

Cartography only provides vision of allied units. Spies provides vision of all units. So, if your ally has Cartography, they can see your units. Because the units that you see with Spies aren't yours, your ally can't see them.

Remember, Cartography doesn't actually share all allied vision, it just grants you the vision of any allied unit.


No.It's like researching "cartography" for your enemies.You won't share it with allies.


No it doesn't. Would be a bit crap if you were about to stab an ally in the back but he could see your spies because of their line of sight.

  • 4
    He can already see your guys with cartography, though. Spies is completely unrelated. Jul 22 '14 at 21:37

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