Catalogues game that stops sin developing (7)
I believe the answer is:
indices
'catalogues' is the definition.
(I've seen this before)
'game that stops sin developing' is the wordplay.
'game' becomes 'dice' (**).
'that stops' indicates putting letters inside.
'developing' is an anagram indicator.
'sin' is an anagram of 'ins'.
'dice' put within 'ins' is 'INDICES'.
(Other definitions for indices that I've seen before include "Alphabetical listings" , "Files" , "Catalogues" , "Mathematical exponents" , "Indicators; references" .)