Chaos Singularity 2018

Cosin is a yearly chaotic event in Switzerland. The content ranges from technical and political, to social and cultural.

Date: June 15th - June 17th 2018
Location: Villa Ritter in Biel
Entrance: CHF 20

Flyer CoSin 2018

Registration for meals:


IRC: #cosin

Language: Deutsch Fran├žais Italiano


CoSin 2018 takes place from Friday, June 15th until Sunday, June 17th 2018.


CoSin is a non-profit event, but we ask for an entrance fee of CHF 20 for all three days to cover our costs.


Registration is not needed for the event itself. However you have to register if you want to eat, so we can get the right amount of food. A simple email to is sufficient.


On both Saturday and Sunday, breakfast is provided for all visitors of the CoSin. The costs are covered by the normal CoSin entrance fee and no signup is required for breakfast.

Friday and Saturday, we make warm dinner. Both meals require signup via email to Please also mention if you’re vegetarian or have allergies. The dinner on Friday is covered by the CoSin entrance fee. Dinner on Saturday is CHF 6 per person.

For those who like to bring their own food, there will be a grill at your disposal on Saturday evening.


Local beer and Club Mate can be purchased cash desk.


Sleeping at CoSin is possible, all you need is a sleeping bag and a camping mat.

Assorted stuff

Bringing your computer

If you like to bring your computer, that’s fine with us, in fact we encourage you to bring at least a laptop. However, all responsibility for such material is taken by its owner. There is only limited electric supply, so please leave your supercomputer at home and bring your notebook.


Using the internet

There is internet access with limited bandwith available. File sharing and illegal activities are not allowed, the line is provided by a private person which could be held liable.


Because of our limited space, please note that CoSin is not a LanParty. This doesn’t mean we’re generally against games, but we think that there are enough Lanpartys in Switzerland already.


Give non-smokers a chance. Do not smoke inside the house.


Most of us value their privacy. Therefore, please do not take photographs of people without their explicit consent.