Thanks to everyone for the help you've given me. Still stuck on a few! They're all Games.
8) Computer symbol backs Classical law (7)
13) Support cured meat (10)
14) A way round an obstruction (8)
19) Belonging to a current cabinet member (10)
20) It's about a Sylvester Stallone character (6)
28) Another Bond girl? Two thirds agreed (8)
30) Scholar, detective, director, god - but not in that order (7)
That's all - I promise you'll never hear from me again!