i dont understand how some people cant grasp this concept. kids in the 80s were teens/young adults in the 90s thus developers/publishers started increasing the number of games aimed at these age groups.

That's a rather bizarre way to view things.  You do know that 3rd party devs found immense success on the SNES, right?  Playstation was a great platform but if it hadn't come along, third parties would have kept on doing what they were doing and making plenty of money.  The industry would certainly be different but it would have been fine.  A lot of third parties were fully prepared to back Nintendo but backed out because Playstation provided an alternative with some better deals.  Honestly, you accuse almkst this entire forum of being fanboys but the only one writing blatant fan fiction here is you.

If I could do it again, I'd list the Odyessy.  I just didn't think anyone would choose it, because it barely moved the needle in terms of sales.  But, after reading the comments in this thread, I realize that many people think otherwise.  

immense success compared to what? Other 3rd party game sales on nintendo consoles or overall? Third party games did alot better on playstation than they did on nes or snes and there was alot more third party games on it. Fact. Some third party games doing well does not equal to alot of third party games doing well.

What would of happened without sony is console gaming would have remained a kid's hobby and everyone still gaming would have went to pc.

I never said anything close to nintendo fans being fanboys but I did say I won't trust their opinion on gaming topics like best console or best game because they're biased. It's no different than ms or sony fans but this is a nintendo site. *shrugs. 

Well didnt it changed how console evolution works now?

Then you could say the Game Boy Advance SP and the DS Lite did it first with great success. Heck the New 3DS XL was about more than a year before the PS4 Pro released

Hate to say it but a lot of people here talking about stuff they probably were too young to experience or weren't even flat out born for yet. 

The NES is the correct answer, but the amount of people that really think SONY started marketing towards teenagers/older players and no one thought of doign that before them ... hahahahaha, are you fucking kidding me? Hello? Saaaaay ittttt. Saaaaaaay ittt? SEGA!

Sega was doing all that way before Sony ever showed up. 

Sega had the first blockbuster violent/blood rated killer app (Mortal Kombat). Beyond that they had other games like Night Trap. Madden NFL, FIFA, and NBA Live and other sports games were popularized on the Genesis first. Sega was marketed around the clock on MTV and during prime time TV shows like Fresh Prince. 

NSFW:

Sega did Virtua Fighter before Tekken, they did Virtua Racing before Ridge Racer. Sony didn't do anything new, all they did was take Nintendo's third parties (Squaresoft, Enix, Konami, Capcom, etc.) and combine that with edgier marketing/branding similar to what Sega had been doing for years. 

Numbers don't lie..... playstation changed the game and opened up gaming for men not just boys.... u had a niche amount of adults playing on snes and nes and sega ..... it wasn't until

playstation that GTA/mgs/ resident evil exploded the gaming industry....

U want casual market that's ps2.... Wii as well but to a lesser extent 

Probably Playstation. To me the question needs to be viewed backwards. If any one console hadn't happened, what would be different today? Playstation crushed Sega, took all of Nintendo's 3rd party support, and probably drew Microsoft into the market the following generation. Absent Sony, Nintendo and Sega were both faltering to an extent, it is possible the overall market would have declined, and maybe the market would not have reached the same mass market level.

NES is probably second.

That was going to happen naturally anyway you had the NES crowd plus a new crowd of KIDS actually coming into the industry by the mid-1990s. Because babies didn't magically stop being born after 1990, the kids who were born in 88-90 still liked video games (go figure) and they would need a console on top of the kids who grew up with the NES-SNES-Genesis. 

The "adults" you're talking about were just 17-18-19-20 year olds that had grown up with a NES/SNES/Genesis already. Sony didn't add shit IMO, they just took Nintendo's third party support and combined it with Sega's existing marketing strategy. 

Metal Gear was already on the NES, GTA was not a system seller on the PS1 (it was on PS2 but that wouldn't be until 6 years later). SEGA is the one that allowed the first hyper violent console blockbuster in Mortal Kombat, which sold millions of copies and forced Nintendo to allow violent content on their systems. Not Sony. SE-GA. 

Sega should be given credit for all that, not Sony. They started pushing towards older players because they couldn't compete with Nintendo in the "Disney" style. They started the whole "extreme" marketing thing. 

SEGA is why we have violent M-rated video games for consoles. They pushed that first. SEGA is the reason why Sony/MS target older players in their marketing. They did that first. SEGA is the reason why sports sims broke out and "jock gamers" was a thing. These are things all mistakenly attributed to Sony, they did none of that first (successfully).