Games like Rio Rex
Games like Rio Rex include The Isle, Dinosaur Hunt, ARK: Survival Evolved, ORION: Prelude, and LEGO® Jurassic World. We matched them by the tags players give Rio Rex on Steam (Action, Adventure, Simulation, and Dinosaurs): closest matches first, and among equally close ones the better-known games.

The Isle
Shared: Dinosaurs · Simulation · Adventure

Dinosaur Hunt
Shared: Action · Dinosaurs · Adventure

ARK: Survival Evolved
Shared: Dinosaurs · Adventure · Action

ORION: Prelude
Shared: Action · Dinosaurs · Adventure

LEGO® Jurassic World
Shared: Adventure · Dinosaurs · Action

Wobbly Life
Shared: Adventure · Simulation · Action

SPORE™ Galactic Adventures
Shared: Action · Simulation · Adventure

Aimlabs
Shared: Action · Simulation · Adventure

Tomb Raider Game of the Year
Shared: Action · Adventure

Bum Simulator
Shared: Adventure · Action · Simulation

War Thunder
Shared: Action · Simulation

Rise of the Tomb Raider™
Shared: Action · Adventure

鬼谷八荒 Tale of Immortal
Shared: Simulation · Action · Adventure

Beasts of Bermuda
Shared: Simulation · Dinosaurs · Adventure

Jurassic World Evolution 3
Shared: Simulation · Dinosaurs · Action

Grand Theft Auto V Legacy
Shared: Action · Adventure

ARK: Survival Ascended
Shared: Dinosaurs · Adventure · Action

Drug Dealer Simulator
Shared: Action · Simulation · Adventure

Thief Simulator
Shared: Simulation · Adventure · Action

Steep™
Shared: Action · Simulation · Adventure

Feed and Grow: Fish
Shared: Simulation · Action · Adventure

Escape From Duckov
Shared: Action · Adventure

God of War
Shared: Action · Adventure

Jurassic World Evolution
Shared: Simulation · Dinosaurs · Action