What the...? achievement in Cities: Skylines

2 1 5

To unlock this achievement, a 'Chirpnado' must occur, which is a tornado of chirpers (that upgrades the buildings it passes through) in your city or scenarios. The chances of it appearing are 0.4% (according to the wiki).

My way of achieving this was to create a copy of the most developed city I had, activate natural disasters (obviously), and configure their frequencies to the maximum (this is done within the city configurations).

It took me approximately 2 hours to appear, being inactive and only sometimes repairing some serious damage from other catastrophes, to prevent the city from collapsing.

You need to have patience and some luck to not wait so long, and that's all.

(Sorry for the translation).

Showing all 5 comments. Leave a comment.

For anyone spamming the 1001 Nights achievement, don't waste your time until getting this one. It can easily take several dozen day/night cycles for the Chirpnado to appear.

Posted by Tozi Tiberius on 06 Aug 24 at 08:06

I'm stunned how much more quickly I got this on the Remaster, still haven't got it on the original one despite having ~4x the hours on the X1 version. Population of 170k, all 25 tiles unlocked, year 2084 starting from 2024 with disasters enabled from the get-go.

Posted by IndigoSolace on 23 Aug 24 at 17:15

@IndigoSolace Exactly the same thing happened to me, in fact I made the guide thinking it was an easy achievement, but I still can't get it in the original version.

Posted by Yanni Ava on 23 Aug 24 at 17:36

@IndigoSolace Exactly the same thing happened to me, in fact I made the guide thinking it was an easy achievement, but I still can't get it in the original version.

Posted by Yanni Ava on 23 Aug 24 at 17:38

@Yanni Ava It technically is an easy achievement since we quite literally don't have to do anything, it's just enormously time consuming for most everyone and super boring since the spawn rate is 0.4%. This city I got it on was probably a good 50-60 hours worth of play time with minimal idling. I seriously do believe that something is different with the code on the Remaster compared to the original (in this instance, and also getting 15000 people in university campuses and getting the maxed out service points in the P&P DLC, despite doing everything pretty much identical to the original). When the Chirpnado finally came up, it was literally smack dab in the middle of something that I would consider a disaster overload. I simultaneously had a thunderstorm, a chirpnado, and 3 regular tornadoes all within a 5 minute timespan, three of which happened at the same time, and caused my disaster menu to glitch out and I couldn't press anything. I seriously was considering force quitting the game, but decided against it since the game was still running, and I sure am glad I didn't force quit.

Honestly with how rare these are, I'm gonna play the lottery today since it's apparently a lucky day for me lol

Posted by IndigoSolace on 23 Aug 24 at 17:50

Cities: Skylines - Remastered

Natural Disasters

What the...? achievement in Cities: Skylines - Remastered

How to unlock the What the...? achievement