It is very nicely drawn and detailed as you say but for me it's too much monochrome. The original is more colourfulIt almost looks too detailed ... but it does look good.
and maybe simpler but somehow nicer, at least for me.
I played it briefly but didn't know what I should do.
Are you supposed to open all doors and collect all stuff in one location and then move to another one through door? Or should you
work at many locations at the same time?
And how can you fight with enemies? What fire button does?