When you have a full grid and you buy some "+1" power with a star, it's called "Overpower grid" and it says :

"Your Power Grid is full. Additional Power will permanently upgrade your Grid Defense" which I understand.

But it also says: "The bonus will decrease the higher your Grid Defense gets, to a maximum of +25", what does this mean? What will decrease exactly? How can it reach a "maximum" when it's "decreasing"? Is it a typo?

  • You'll get less additional bonus for each +1, so the increase from +24 to +25 will be a lot less than +0 to +1, and nothing will happen if you upgrade past +25 (if you even can).
    – somebody
    Mar 23, 2018 at 1:14
  • There is no 'from +0 to +1' in this game, u start at 18
    – Tristan
    Mar 23, 2018 at 6:58
  • No, the grid overpower bonus
    – somebody
    Mar 23, 2018 at 7:04
  • U don't overpower the grid at all when it's full. U only get a grid defense bonus instead
    – Tristan
    Mar 23, 2018 at 7:06
  • Yeah, but isn't the defense bonus called overpower bonus?
    – somebody
    Mar 23, 2018 at 7:07

1 Answer 1


The Grid Defense starts at 15%, and can be increased by gaining additional power after the Power Grid is full. This is called Overpower Bonus, and can get as high as an additional 25%.

Up to a 10% Overpower Bonus, each point of overpower will increase the Grid Defense by 2%. After that, each point of overpower will increase the Grid Defense by 1% instead. This is how the bonus decreases the higher your Grid Defense gets.

  • There's also apparently a hard cap but I can't remember what it is. Mar 23, 2018 at 8:59
  • Ok, nicely explained. I've also discovered there is an independant additional "Pilot bonus" for grid defense, not affected by the 25% cap.
    – Tristan
    Mar 24, 2018 at 11:25

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