UE3
Unreal Engine 3. Not many games use this these days.
Useful Info
UE5
Unreal Engine 5
UE4
Unreal Engine 4
dino
Long form: Dinosaurs
HTTYD
Long form: How To Train Your Dragon
Pterosaurs
Flying reptiles. They are NOT dinosaurs! They lived around the same time, but they were flying reptiles, not dinos!
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theropod
Definitions:
paleontologist
Someone who studies Paleontology, who studies fossil remains of past life on earth.