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Karstein Roesnes Ersdal's Blog


Karstein is the only game developer in the world from Rånåsfoss. Karstein has a B.Tech(IT) with specialization in Game Design. He is the CEO at mobile game startup Trollpants and serves as the Secretary/Board Member for the eastern chapter of the Game Developers Guild of Norway. His field of expertise is game design, and he loves making mobile games.

Trollpants create their own mobile games, as well as other verticals such as third-party tools and advergames. See for more. 

Follow Karstein Twitter @karsteinre.  Send a mail if you want to talk about anything.

Anything at all. 


Karstein Roesnes Ersdal's Comments

Comment In: [Blog - 12/11/2014 - 01:46]

Here is a list from ...

Here is a list from Ramin Shokrizade with Coercive Monetization on the top, which is what Peggle Blast is doing r n r n Top F2P Monetization Tricks.php

Comment In: [News - 08/22/2014 - 05:05]

Alright : ...

Alright :

Comment In: [Blog - 06/26/2014 - 04:18]

Thanks for the great insight ...

Thanks for the great insight man As a first-timer to ASO, this was really helpful and pointed me in the right direction.

Comment In: [News - 03/24/2014 - 07:27]

Yup, Disney now owns Maker ...

Yup, Disney now owns Maker so also owns Polaris. No idea what this means for us, but I 'll make the content I want to make or go elsewhere. r n r n - Totalbiscuit

Comment In: [Blog - 11/30/2013 - 07:14]

When you are innovating, know ...

When you are innovating, know what you are replacing

Comment In: [News - 03/15/2013 - 03:53]

Great article I 've always ...

Great article I 've always been curious about this.