My fav game(s) have been
Oddworld: Abe's Oddysee and
Oddworld: Abe's Exoddus since I played Oddysee's demo for the first time. If I remember correct I was 10 years old or less.
It's a 2D platformer where you don't have any weapons but you can possess your enemies, make them do stuff like pull levers you wouldn't have an access otherwise and blow them to pieces when you don't need them anymore. I've always loved the black humour in the game and both the story and gameplay are just amazing: follow your destiny, rescue your friends and kill your enemies in terrible ways. Those games have a really unique species and environments I haven't seen in anywhere else.
Even if something similar-ish can be found nowadays, at that time they were really, well, odd.
After
Okami was released a couple of years ago it took the first place held by OW 1&2. It's an adventure game that looks like a japanese calligraphy but is still clearly 3D and looks alive. You play as a reborn sun goddess Amaterasu, learn 13 celestrial brush techniques and collect praise from humans and animals while fighting the lord of darkness Yami and his demons. I've probably never cried so much during anything I've watched or listened than I cried in this game. It was so touching.
Plus I like canines so much and this is probably the only adventure game where's lots of them.
Other games I like a lot are monster growing and training games like
Pokémon and
Digimon and RPGs like
Final Fantasies. FFIX is probably my favourite FF. And VII, ofc. I also love some other platformers like the Insomniac's
Spyro the Dragon 1-3 and Naughty dog's
Crash Bandicoot 1-3. The newer ones are just ¤#%# in my opinion.
From horror genre... surprise surprise:
Amnesia and
Penumbras 1&2.