Da fuck. You're not talking about Symphony of the Night, are you? That game is very easy, though it's still one of the greatest of all time.
Er, no? Best platformers include Klonoa (which you have), Crash 1-2-3, Skullmonkeys, Rayman 1 and 2, the Spyro trilogy, Tomba!, Adventures of Lomax.
For other genres than platforming and RPG:
- Survival horror: Silent Hill, Resident Evil: Director's Cut, Resident Evil 2 and 3
- Action/adventure/RPG: Blood Omen: Legacy of Kain, Alundra
- Action/adventure: Legacy of Kain: Soul Reaver, Medievil
- Fighting: Darkstalkers 3, Soul Blade