Flash files sometimes don't work properly with my webhost.
As a solution, you are free to download the demo of Chapter 1 by clicking the link below.
Your computer must support flash files in order to open it.
Chapter 1 Demo:
Chapter 1 was created in 2014-2015. To see what a newer Skyrilon game looks like, try this demo of Chapter 7 as well!
Chapter 7 Demo: