I was 6 when I played the original Spyro The Dragon on ps1, so most likely that for sentimental purposes! It felt like a whole new world compared to anything I had played before... I wasn't able to complete it fully until I was about 18 however, there was a gem hidden out of reach on a ledge on the Ice Cavern! (One of the first few levels?! lol...) I never ended up collecting. My memory card broke and I just never ended up playing from that point on. Come when I turned 18 I finally tried again and did it!
But... If I had to play it now it would most likely be the Year Of The Dragon, the skateboarding was a legendary addition! :D