If you want it for free, add it to your Steam Wishlist. The developers have historically discounted it to nearly zero or hosted promotional giveaways. Game Highlights: Genre: A fast-paced, sci-fi "Retro-Inspired" shooter.
While the game was historically available on Steam and even featured "Free Weekends" or promotional giveaways in the past, it is important to clarify its current status: Is it free to download? ORION: Dino Horde Free Game Full Download
Search for ORION: Prelude . This is the most stable and updated version of the "Dino Horde" experience, including cooperative play and various game modes. If you want it for free, add it to your Steam Wishlist
Features dinosaurs, jetpacks, vehicles, and open-world environments. If you want it for free