My fingers hurts from all those relic trials.

And platinum for Crash 2 except for cold hard crash it felt so easy compared to the first one XD.

Damn it I still have to do all the time trials in Crash 1... I started to do the time trials in Crash 2 first and I felt that they already were very hard. But now seeing you say that the platinum of Crash 2 is easy compared to Crash 1 scares the shit out of me. XD

Well, I don't know why that New Super Mario reference, but the difference is that NSM games are brand new and the controls and gameplay are not outdated. I mean, I'm really enjoying the N'sane Trilogy, because I really love Crash games, and I can get through 90s controls. But, to modern standards, I think Mario games are way superior as platformers. 

The games get progressively easier, 3 is the easiest. 1 is a nightmare by comparison.

Just 10 gold+ relics to go for the plat...

Well, Crash 1 is more unforgiven and feels more tight. When you beat Crash 2 you get an extra item that makes it more easy to get the trials and the extra moves really help you out. I had like 2 very hard levels in crash 1 and maybe 5 that took me more than 30 minutes.  While Cold hard crash and hanging out were the only ones that took me a lot of time in Crash 2 (it didn't help that I could not find any person who completed the hanging out level)  It was kind of funny to see old crash 2 hanging out video's and people react 'how the feck do you get the golden relics in this level XD'...

Where is Bloodborne though? (should have been on 2015).

I expect because it's a separate IP. It's not a particularly important distinction to the average gamer (outside of what platforms they appear on), but technically Bloodborne and the Soul series are separate.