# Experimental worldgen questions

**URL:** <https://discourse.cataclysmdda.org/t/experimental-worldgen-questions/9653>\
**Category:** The Bunker\
**Created:** [May 24, 2015, 2:53am UTC](https://discourse.cataclysmdda.org/t/experimental-worldgen-questions/9653 "2015-05-24T02:53:29Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Lunavagrant](https://avatars.discourse-cdn.com/v4/letter/l/b487fb/32.png) [@Lunavagrant](https://discourse.cataclysmdda.org/u/Lunavagrant)\
**Post date:** [May 24, 2015, 2:53am UTC](https://discourse.cataclysmdda.org/t/experimental-worldgen-questions/9653/1 "2015-05-24T02:53:29Z")

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trying for the first time a experimental version (b823034)…and i find myself confused about two world gen options.

1 - difficulty scale.  
i understood the evolution/progressive stronger spawns, but i´d like to know: choosing 00:00 (turning upgrade off) while playing dynamic zombie spawn makes stronger monsters stop existing at all, period. or do they still spawn, just randomly, sans time progression ? (i don´t want evolving zombies and normal weak zombies to stop showing up, but i am afraid turning this off would make stronger undeads never showing up in the world at all).

2 - construction scaling.  
i find myself…having no idea what it does…at all. can someone explain me this one ? also, what is the vanilla, cooper stable like set for this ?  
sorry to bother, hope someone around here can enlighten me about this.

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**Author:** ![John\_Candlebury](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/john_candlebury/32/6437_2.png) [@John\_Candlebury](https://discourse.cataclysmdda.org/u/John_Candlebury)\
**Post date:** [May 24, 2015, 3:38am UTC](https://discourse.cataclysmdda.org/t/experimental-worldgen-questions/9653/2 "2015-05-24T03:38:33Z")

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Difficulty controls how fast zombies evolve into stronger forms, it works by multiplying the factor by the decay times of each monster/monster group. 0 means that zombies never evolve, 100 makes it a hundred times faster. All or well almost all of the stronger undead have a rather small chance of showing up in day one, so it won’t really disable stronger zombies completely.

Construction probably scales he time needed to build stuff, but I have no idea.

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**Author:** ![Lunavagrant](https://avatars.discourse-cdn.com/v4/letter/l/b487fb/32.png) [@Lunavagrant](https://discourse.cataclysmdda.org/u/Lunavagrant)\
**Post date:** [May 24, 2015, 3:54am UTC](https://discourse.cataclysmdda.org/t/experimental-worldgen-questions/9653/3 "2015-05-24T03:54:45Z")

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ah…i see.  
so setting it at 0 will not disable the chance of any zombie variant to spawn on it´s own.  
good, good, now i can set to zero without any concern of losing content. i was just not to keen on the - at some point in time, there will be not a single, trivial one-stab-it-dies zombie for me to laugh at occasionally- idea that evolving zombies brings.  
thanks for the answer.

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<div class="post-metadata">

**Author:** ![Lunavagrant](https://avatars.discourse-cdn.com/v4/letter/l/b487fb/32.png) [@Lunavagrant](https://discourse.cataclysmdda.org/u/Lunavagrant)\
**Post date:** [May 24, 2015, 4:53am UTC](https://discourse.cataclysmdda.org/t/experimental-worldgen-questions/9653/4 "2015-05-24T04:53:02Z")

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~~albeit infected from a bite last night…this does look like a fine morning to start looking for a proper home…but why there is smoke coming from under the front door ?~~  
confirmed. setting difficulty-evolution off does not stop strong zombies from existing. first minute in game, killed by a zombie demolition team consisting of a brute, two thoughs, a runner, a acidic, and a smoker, just by opening my front door. guess i should had jumped out the back window instead…

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**Author:** ![John\_Candlebury](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/john_candlebury/32/6437_2.png) [@John\_Candlebury](https://discourse.cataclysmdda.org/u/John_Candlebury)\
**Post date:** [May 24, 2015, 1:02pm UTC](https://discourse.cataclysmdda.org/t/experimental-worldgen-questions/9653/5 "2015-05-24T13:02:40Z")

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Ohh wait…

IRC the workings of the setting got inverted a few days ago, so perhaps you should also check to create a world with 100 difficulty. Just in case you have an older version.