Complex sentence: As on Neopets, Petpet Park links to the of allows use of the NC Mall to purchase items to customise a user's Petpet, but users can sample clothing before purchase.
Split into simpler sentences: As on Neopets, Petpet Park links to the NeoCash Mall (NC Mall). Purchase of NeoCash allows use of the NC Mall to purchase items to customise a user's Petpet, but users can sample clothing before purchase.