GTA I and II had really fun car physics. Just driving around and evading police was fun, in a way the later 3d games in the series didn't quite capture for me
All the GTA games before GTA3 felt like a mischievous schoolboy's notebook come to life. In fact, I'd be surprised if half the people growing up playing this in the 90s weren't sketching their own GTA2 maps when bored in class.
Laughing vampires dance!