Hey Sughly, thanks for the nice words! Chapter two will feature higher res graphics, have no fear! Regarding walkthrough, you can find one here:
Video walkthrough on YouTube
Btw, here are a couple of interviews about the making of the game if anyone is interested:
Interview on Zombie Apocalypse
Interview on the Slow down
As well as some of my thoughts on backdrop design for adventure games:
My own article on HardyDev