Tyrannosaurus Rex

Tyrannosaurus Rex: The Queen of Jurassic Park

No dinosaur is more iconic than the Tyrannosaurus Rex. From the moment she broke free of her paddock in the original 1993 film, the T. Rex became the symbol of Jurassic Park and a pop culture legend. In World of Jurassic Park, she remains the apex predator you must respect — or face the consequences.

Visit the lexicon for the full T. Rex profile and encounter tips.

The Science Behind the King of Dinosaurs

Tyrannosaurus Rex lived during the late Cretaceous period, approximately 68 to 66 million years ago. Standing up to 20 feet tall and 40 feet long, the T. Rex possessed the most powerful bite force of any land animal in history — estimated at over 12,000 pounds of force. Despite popular belief, modern science suggests T. Rex may have had better vision than the films portray.

In the Jurassic Park franchise, InGen's T. Rex was cloned from preserved DNA, with gaps filled by frog DNA. This scientific premise launched the entire saga.

The T. Rex in the Films

The original Jurassic Park T. Rex, affectionately called Rexy by fans, appears across multiple films. Her breakout scene in the first film — the water glass trembling, the goat disappearing, the roar — is one of cinema's greatest moments. She returns in Jurassic World as the aging but still formidable queen of Isla Nublar, ultimately helping defeat the Indominus Rex.

Face the T. Rex In-Game

In World of Jurassic Park, T. Rex encounters are the ultimate test of courage. Track her through the jungle, study her territory, and learn her patterns — or become her next meal.