Best Open World Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated open world games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Open World games on Steam.
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Project 5: Sightseer
Open world multiplayer sandbox/RPG game. Explore, gather, build, research, and fight to protect what's yours -- by yourself or together with your friends.
UNDEFEATED
Become an invincible hero with unlimited super powers on UNDEFEATED!
Dry Drowning
Dry Drowning is a psychological investigative visual novel set in a futuristic dystopian city. Follow the story of Mordred Foley, unscrupulous private detective haunted by his dark past, and look into a series of macabre serial killings inspired by Greek mythology.
Oxygen Not Included
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
Warhammer 40,000: Inquisitor - Prophecy
Foul Tyranids rampaging on barren worlds; the mysterious Aeldari waging war on the Imperium; a prophecy that could change the fate of an entire Sector. Purge the unclean with the new Tech-Adept Inquisitor and carry out the Emperor’s will in the grim Action-RPG “WH40k: Inquisitor - Prophecy”.
A Short Hike
Hike, climb, and soar through the peaceful mountainside landscapes of Hawk Peak Provincial Park as you make your way to the summit.
Shark Attack Deathmatch 2
Combat in Shark Attack Deathmatch 2 is savage, gritty, and brutal. Players hunt each other down in various game modes with the constant threat of terrifying sharks joining in on the bloodshed. Tear divers apart as you take on the role as the ocean's top apex predator, The Great White.
Interstellar Space: Genesis
Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!
The Orville - Interactive Fan Experience
Step aboard the USS Orville (ECV-197), the Planetary Union's finest mid-level exploratory class cruiser. With every room on every deck recreated with painstaking accuracy, you are free to explore the ship at your leisure and engage in all manner of shenanigans!
Arizona Derby
Hit the pedal, run out the offroad.
Break the Game
This game is about Kevin, He's been stuck in his gaf̶̨s̨fẃ̵̕ HEY, YOU, STAY AWA̸̧͘Y, IT'S ME KEVIN, THERE'S NO POINT, D҉Ò̷̕N̸̕͏'T-- Follow him in this adventurous and humor-filled story to ｄ̶̢͙̟̦̺̰̫̙̋̊͐̐͑͋̈́̕̕͝ ｄｉｅ
Survive on Raft
Survive on Raft is a Survival Sandbox Simulator on the Raft in the middle of the ocean! Fight with shark, build base, craft, loot islands, farm and survive. Play solo or with friends.
Storm Chasers
Be one of those intrepid storm chasers in this online multiplayer video game. Your goal is to shoot the best twisters pictures without dying because of powerful winds and flying debris. Feel the challenge of correctly forecasting and intercepting storms with the optimal vantage points before other players.
Black Squad
Black Squad is a free-to-play military first-person-shooter. Players can master their skills and show off their strategies with a wide range of game maps, modes, and weapons to choose from. Join thousands of FPS players worldwide in one of the most played games on Steam!
Bone Voyage
Bone Voyage is a third person adventure game set on a Vessel to the Afterlife. Use your skeletal body to your advantage and explore the ship in unique ways to uncover the mystery of the ship and its inhabitants!
ZUSI 3 - Aerosoft Edition
Zusi 3 Aerosoft Edition is a train simulation for PCs, the professional version of which is also being used in railway companies for engine driver training purposes.
Delivery from the Pain:Survival / 末日方舟:生存
You'll play as a survivor in a world overrun by zombies. Explore and interact with other survivors, making tough choices about whether to help or exploit them. Defend against zombies, collect resources, craft, and fortify your shelter. Use strategy to escape this world and return to safety.
SpaceEngine
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
OCTOPATH TRAVELER™
Eight travelers. Eight adventures. Eight roles to play. Embark on an epic journey across the vast and wondrous world of Orsterra and discover the captivating stories of each of the eight travelers.
Alchemist's Awakening
Enter a world full of magic, mystery, beautiful landscapes and dangerous creatures. Build your own destiny, by yourself or with some friends, gather materials, use elements as attacks, recombine them into building blocks... and use your Alchemist's power to give life to any shape you built.
Rise of Liberty
Rise of Liberty is a FPS single-player massive Revolutionary War battle simulator. Fire deafening cannons into the thick of the battle, stand in line formation and fire devastating volleys into the enemy. Gather your men for these monumental battles and defeat the enemy!
Gato Roboto
Pounce inside of your cozy armored mech and set off on a dangerous trek through an alien underworld full of irritable creatures and treacherous obstacles in a valiant effort to save your stranded captain and his crashed spaceship.
Assetto Corsa Competizione
Assetto Corsa Competizione, the official GT World Challenge videogame. Thanks to the extraordinary quality of simulation, you will experience the atmosphere of the GT3 championship. Compete against official drivers, teams, cars and official circuits reproduced to the highest quality ever seen.