I'm at a loss to understand the negative reviews of "Shortcut'. Its not a horror masterpiece but its by no means a poor movie, either.
Personally, I'd characterise this one as a "functional horror". Its has all the right scare components, in all the right places, to offer the viewer a mildly chilling experience.
Its "Famous Five" vibe is interesting too, akin to film adaptations like "IT". The group dynamic works well and is backed by strong acting, from the predominantly youthful cast.
So in summary, watchable, a little scary, not overly original but competently done nonetheless.