Spyro: Year of the Dragon is the last of the original PS1 trilogy. While still a great PS1 game, it did miss out on some of its potential.
Cuphead is a run and gun platformer that exclusively uses rubber hose animation and one of the very few of its kind.
Pop Team Epic is a fountain of memes and anime/video game references, but is definitely not a show for everyone.
Now and Then, Here and There is a dark tale of child soldiers serving an insane king, followed by massacres, kidnappings, torture and rape.