The unrestricted, funner version could be a bit scary (7)
I believe the answer is:
unnerve
'be a bit scary' is the definition.
I can't tell whether this definition defines the answer.
'the unrestricted funner version' is the wordplay.
'UNNERVE' is hidden in amongst the letters.
However, I am not sure how the hidden word is indicated.
'could' acts as a link.
Can you help me to learn more?
(Other definitions for unnerve that I've seen before include "Frighten" , "Cause to lose confidence" , "Perturb" , "scare" , "Dishearten - discourage" .)