Life & fun · alternatives · 2026
24 alternatives to Zero-G Public Alpha starts today!
First public access to Zero-G persistent space simulation
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1IB
I've been working on an MMORPG that is now in alpha as a solo developer. Here are the major open source technologies that I use: Blender - 3D modeling software for creating the overall environment and every game object. I've gotten a lot of CC and Public Domain assets from https://poly.pizza GLTF - I export assets from blender to the GLTF asset format JSON - I write a JSON config for every game object that describes things like its name, its interactions, its collisions, etc. Node.js exporter - I iterate over the environment and every asset to create a scene hierarchy. I use…
2024 · alpha.reconquer.online · its alternatives →
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- 3
I made an open source directory for sharing projects Ever wondered how to show off that something you just built? Look no further! Awesome Launch is meant to be a list of communities and forums you can share your projects to get feedback or your first users. Anyone is free to contribute sites and resources. Hope you enjoy!
2025 · github.com · its alternatives →
- 4
Space Zero▲52Craft unlimited 3D items with AI — Browser Game
2025 · simulogos.com · its alternatives →
- 5
AstroGrid▲113Explore the entire universe in your browser, in real 3D
Apr 2026 · velonspace.com · its alternatives →
- 63M
2019 · urk-3d-multi-space-game.herokuapp.com · its alternatives →
- 7
- 8
Most games have limits. You can only use preset features, need coding for customization & adding mods, require expensive extra devices. We wanted to remove those barriers. That’s why we are building space zero—a browser based 3D world powered by AI. We plan to build players can freely mix items to generate unexpected creations with unique properties and sounds. Also the world itself is dynamically generated, evolving endlessly. I uploaded a demo version I’ve been working on for the past month! I hope to get any feedbacks or comments :)
2025 · 0.space · its alternatives →
- 9IM
I made this site using R3F (https://github.com/pmndrs/react-three-fiber), a React renderer for 3JS (https://threejs.org/). The celestial bodies are Three.JS meshes. I used loaders (namely 'useLoader' from R3F and 'GLTFLoader' from 3JS) to import 3D models, such as International Space Station. More on loading models in R3F: https://docs.pmnd.rs/react-three-fiber/tutorials/loading-mod... I've future plans for this side project. It would be great to hear from the HN community before diving into them. Enjoy! P.S: Getting an empty…
2022 · spaceinbrowser.com · its alternatives →
- 10
- 11
Travel through galaxies into deep space
2016 · apps.apple.com · its alternatives →
- 12
Daily workouts turned into immersive space missions
2025 · apps.apple.com · its alternatives →
- 13
Fresh and verified playtesters for your Indie Game
Mar 2026 · playtester.gg · its alternatives →
- 14
The open world (galaxy?) version of a really great iOS game!
2015 · store.steampowered.com · its alternatives →
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- 17EA
Greetings! My name is Jeff, and I’m “early-access” launching my SaaS “serverless” infrastructure for Jamstack, games (particularly board games), and traditional real-time scenarios (presence, pub/sub, etc…). This work is rooted in the frustration of building complicated board games using existing infrastructure. It just so happens that making board games easier has wide reaching implications. Landing page: https://www.adama-platform.com/ This is a radically different kind of “serverless” infrastructure where I want the benefits of both a serverless architecture with a…
2022 · its alternatives →
- 18UE
Note that the demo may take up to 30 seconds to load, and initially present a white screen. I can assure you - it's worth the wait!
2023 · play.spacelancers.com · its alternatives →
- 19
Stop building in silence. Launch in public.
Feb 2026 · reddit.com · its alternatives →
- 20
Super difficult space strategy (like Plague, Inc.)
2016 · apps.apple.com · its alternatives →
- 21
Zero-G▲8The first fitness gamified workout app with a AI storyline
2025 · apps.apple.com · its alternatives →
- 22
I didn't realize Universe Sandbox ran on MacOS, and I was in the mood to play around a bit. Some functions it's got: - Random system generation - Sonification is super fun too - Habitability Simulation (Just for fun, don't cite this please) - Replacing, spawning, deleting objects I've had tons of fun building this, so I hope someone else can share the joy. It's free and runs in the browser. I'd love to hear any feedback. I think this is at a state where I might leave it as it is, but if people are interested in other features, maybe I'll keep working on it. I've kept saying I'll stop working…
Dec 2025 · luna.watermelonson.com · its alternatives →
- 23
Zero gravity space shooter built in Blockstack
2019 · its alternatives →
- 24
Hey! Wanted to showcase this project I’ve been passionately working on. It’s an open source community platform built with the nextjs app router. There’s lots of cool features, but the main one I’m excited about is the gamification. There’s a badge and inventory system. Admins can set value to user actions like creating a post. Then a user can use their accumulated points to purchase items that have modifiers on things like your username or avatar. There’s zero vendor lock in and all you need is a: - redis server - s3 storage - smtp server Built with nextjs and prisma. Would love your…
2024 · github.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →