Circus-13's creator and owner, Timm Gillick has had a couple of stories published in an online comic anthology called Red Slime Magazine. He has more planned for future issues, he just has to write them.
You can either check out the issues of Red Slime below that have the stories in them, or you can download the PDF files of the comics from here.
Truck of the Inter-Dimensional Bounty Hunters' Guild Local 137
Truck and Big Daddy Fred present a public service announcement about the Dangers of Tysonian Bickering Mudwhumpers.
Click on the cover to go to Red Slime and read the entire issue online.
Or if you'd just like to download the PDF file of the comic and read it at your leisure, click on the link below.
Red Slime issue 6 had a cover inspired by Roju from the Assault story. But the actual story of Assault appeared in issue 9 (the one with the black and white cover). The story is a small piece taken from his origin.
Click on the covers to go to Red Slime and read the entire issue online.
Or if you'd just like to download the PDF files of the comic and read them at your leisure, click on the links below.