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OpenZ | Free Open-Source 3D RTS Inspired by Z

@playopenz

OpenZ: the faithful open-source 3D fan remake of Z (The Bitmap Brothers, 1996) for its 30th anniversary. Free, never sold, 100% original assets. Try on Github!

github.com/playopenz/OpenZ/
Joined October 2026
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Remember Z? We are making a free 3d remake of classic Z on github called OpenZ guys! 1.2 is out! Grab it! Windows, Mac + Linux versions & Unit editor github.com/playopenz/OpenZ/
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Every RTS player has a save file they are ashamed of.
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Why build a tank when you can steal one? Snipe the driver, walk a squad in, drive it at the people who built it. #ScreenshotSaturday #RTS
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Night map. Searchlights on, and everything is coming straight at the fort. #ScreenshotSaturday #indiedev #RTS
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A fort at night is mostly a very large target.
Image from OpenZ | Free Open-Source 3D RTS Inspired by Z (@playopenz)
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In 1996 the box art alone could sell you an RTS. Which one did it for you?
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Jeep vs light. Light vs medium. Medium vs heavy. Heavy vs mech. Call the winner before each one ends. #RTS #gamedev
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Rocket fuel. Do not ask what is in the can. #gamedev #indiedev
Image from OpenZ | Free Open-Source 3D RTS Inspired by Z (@playopenz)
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Everyone wants that fort. Nobody wants to go first.
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6 new explosions in OpenZ. Real-time, in-game, Unity 6. Not pre-rendered, no AI video. Which number is best? #OpenZ #RTS #gamedev #unity #retrogaming
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Name an RTS mission that made you quit for a week.
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Z in 1996 on top. OpenZ, our free 3D remake, below. Same fort, same lava, same war. 30 years apart. #retrogaming #RTS
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Victory, a hot tub and a very big bang in the background. Perfect evening. #indiedev
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The shockwave at the end is the whole reason to win.
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Let’s see who can guess the next map coming in version 1.5!? This classic map was absolutely brutal, and its layout is unforgettable. #z #rts
Image from OpenZ | Free Open-Source 3D RTS Inspired by Z (@playopenz)
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Where the canyon meets the shooting.
Image from OpenZ | Free Open-Source 3D RTS Inspired by Z (@playopenz)
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The worst thing in any RTS is a bridge that only fits one tank.
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EvilZod has a power dash. Heavy tank, mech, nine robots. Three fights, three wins. Is he too strong? #RTS #indiedev
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The Unit editor nuke got a new mushroom cloud in 1.4. #RTS #gamedev
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One fort, one very large fireball. #RTS
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Lights out. Tanks in.
Image from OpenZ | Free Open-Source 3D RTS Inspired by Z (@playopenz)
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