The VOPM patches can be found here. The second link seems to be for the game sounds you mentioned, although they shouldn't be legal to use in productions.
- http://www.kvraudio.com/product/vopm_by_sam/downloads
- http://truechiptilldeath.com/blog/2010/05/04/opm-patches-out-of-most-genesis-games/
Yes but in this day and age surely we're all tweaking, layering and processing sounds to our heart's content? At which point no one is going to be able to recognise the original, perhaps just a 'flavour'. A useful shortcut to recalling the 16-bit era anyhow. Here's one I did today - https://soundcloud.com/infreaquent/air-to-surface-1
Here are my current personal tastes:
Orchestral: EW Symphonic Orchestra
Synth: Omnisphere
Guitar: Pettinhaus Direct Guitar
Drums: EZDrummer
Oddball: Bad Cat Media Group Music Box
EWQL CCC was the first VST collection I ever purchased. I still use it quite a bit today. A bit outdated and out-featured compared to the more recent, in-depth libraries out there now, but still good. Especially on a budget.
If your wallet can handle it, I also recommend the following libraries (posted some demos too):
Solo instruments:
Cello - Embertone Blakus Cello
Violin - Embertone Friedlander Violin
Piano - Native Instruments Alicia's Keys
https://soundcloud.com/matandteresa/let-it-go-instrumental
https://soundcloud.com/matandteresa/house-stark-western
Orchestral/Ensemble:
Spitfire Albion I
ProjectSam Orchestral Essentials
Cinematic Strings 2
Berlin Woodwinds
Cinebrass
Damage
Haka
Ethno World 5 Voices
FM8
https://soundcloud.com/matandteresa/8-minute-menken-an-all-star
https://soundcloud.com/matandteresa/animals-get-put-down
https://soundcloud.com/matandteresa/mene-inspirational-cinematic
Whoa, some really nice stuff over at Embertone!
Whoa again! I'm running to get "Shire Whistle" right now 
1. Cinesamples Brass. I use it everywhere, it’s really a great product, with such a nice sound. Especially I like that you even got 2 French Horns as legato and staccato for free with the update.
2. Everything by Sample Modelling. The Instruments sound absolutely amazing. I even think sample modelling is pretty much the future.
3. Hollywood Strings has imho an even better sound than LASS. It’s a hell to program, but once that is done, it’s cool. PS: The harddrive sucks, I’m not able to get any speed outta it, even on USB 3.0, so I had to copy everything to my internal HDD.
4. I have a love/hate relationship to the IRCAM Solo Instruments. While I love the new techniques (pressured, sul ponticello, sul tasto, ect.), I absolutly hate UVI Workstation and the very old programming. You can’t use it for any more than the effects, but that’s ok. There are so much of them, if you are to avantgarde techniques.
5. Adagietto seems to be nice, but that’s just telling from the demos. All Spitfire Stuff is also pretty nice, but I can’t give any first hand experience about that.
Because it was mentioned here, a short note. While the Friedlander Violin is kinda cool, it was a little disappointment for me. I’m not really able to write fast passages with it, and there always seems to be an delay of some sort. Maybe that’s just programming; I can’t tell. But I kinda now reget blindly buying it.
