The Matrix arrived in 1999 and immediately made everything that came before it look old-fashioned. Twenty-five years on, it has survived its imitators, its sequels, and its cultural saturation to remain exactly what it was: a great film.

Thomas Anderson, a programmer who moonlights as a hacker called Neo, is approached by a resistance fighter named Morpheus with an offer he cannot quite understand until he takes the red pill. The world he believes in is a simulation. The real world is a devastated husk. Machines keep humans alive as a power source. The Matrix is the dream they feed into sleeping minds to keep them compliant.

The Wachowskis synthesized Hong Kong action cinema, cyberpunk literature, anime, and philosophy into a film that is simultaneously a B-movie chase thriller and an inquiry into the nature of perception. The action sequences, choreographed by Yuen Woo-ping and enhanced with what the filmmakers called “bullet time,” changed the visual language of Hollywood action permanently.

Keanu Reeves was a controversial choice for Neo and turned out to be exactly right. His deliberateness reads as mystery early in the film, and his physical commitment during training came across as genuine. Laurence Fishburne as Morpheus is pure conviction. Hugo Weaving as Agent Smith is one of the great screen antagonists.

The film’s philosophical underpinnings, Baudrillard’s simulacra, Buddhist non-attachment, Plato’s cave, give it a depth that sustains repeated viewing. You can take it as pure action spectacle or as existential inquiry. Both work.

The Matrix is one of the essential films of the past thirty years.