Chance of generating NPRs and habitable planets

Player Questions
1

How often do you run into NPRs or at least habitable planets on average?

In my old games on v2.5.1 without starting NPRs, I’ve run into a NPR roughly every 20-30 systems with a 100% spawn chance on known stars.

In my first game of v2.7.1 I’ve explored around 180 systems so far and only run into one industrial NPR (with a measly 50m pop on a planet with 100% hydrosphere). No spoilers either.

I’ve tried maximizing the chance to generate a NPR by setting the ruin chance to 0, switching off ‘known stars’, and disabling eccentric orbits and gas giant effects to hopefully create the highest possible number of habitable planets, but no luck so far.

Have I just been especially unlucky or has the chance of generating habitable planets been reduced since v2.5.1?

Also, is there a way to create multisystem NPRs post start via SM?

2

The chance of discovery hasn’t changed, so it is probably just bad luck. Due to the type of systems generated, the chance will be lower in known stars games than random stars.

I generally start with a few multi-system NPRs, rather than wait for them to be created

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