Games similar to Osiris: New Dawn include No Man's Sky. It's paid, but Warpfire.io is free. Other options are Starfield, TerraGenesis and Eden Star. In total there are five Open World Games like Osiris: New Dawn for Windows, Android, iPad, iPhone and Chrome OS.
No Man's Sky is an action-adventure survival video game developed and published by the indie studio Hello Games.
United Kingdom
Starfield is the first new universe in 25 years from Bethesda Game Studios, the award-winning creators of The Elder Scrolls V: Skyrim and Fallout 4. In this next generation role-playing game set amongst the stars, embark on an epic journey to answer humanity’s greatest mystery.
United States
Engage in space exploration and terraform new worlds in this fun and exciting planet building simulator rooted in real science. TerraGenesis dynamically animates entire planets with changing biospheres, all based on real data from NASA.
United States
Eden Star is an immersive Sci-Fi survival game that blends innovative physics based combat, destructible environments and free-form construction with the exploration of a hostile alien world.
United Kingdom
Browser-based space MMO recreating classic gameplay, featuring real-time multiplayer battles, space exploration with allies, ship upgrades, PvP combat, missions, loot, top-down design, fleet tactics, and free play on any device without installation or downloads.
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