Dev tools · alternatives · 2026
24 alternatives to I made a 3D networked open world automation game with no game engine
Over the last 4 years I've been developing Skyformer, including making all the art. Technical features include: - OpenGL for graphics, OpenAL for sound, GLFW for input - Terrain rendered using techniques inspired by REDengine 3 with a custom terrain/world editor. - Networking framework for co-op with TCP + custom binary protocol - Immediate mode UI framework, SDF text rendering - Cascaded shadow mapping with soft shadows. - Weather simulation (with my own fake physics) - Dynamic skydome - Water based on Gerstner waves - Swept-sphere collision detection and response - Soft-particles…
Skyformer is a 3D open-world automation game built without a commercial game engine, featuring custom-built graphics, networking, and physics systems. Players can explore procedurally rendered terrain, build automated… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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I got pretty good at (and very addicted to) the lunar lander game from a few days ago... so I decided to make an autopilot for the lander based on what I felt like was the best strategy! Now I can have perfect landings every time without lifting a finger :D Writing the autopilot code was a lot more fun than I expected! It felt a bit like programming a robot. Source code: https://github.com/szhu/lunar-lander-autopilot Original lander HN post: https://news.ycombinator.com/item?id=35032506
2023 · szhu.github.io · its alternatives →
- 2IB
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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Hello HN! We’re a small creative studio specializing in real-time 3D experiences. Netlify approached us to design and build an interactive experience to celebrate reaching 5 million developers. Inspired by the classic game Marble Madness, we created a gamified experience where users control a ball through playful, interactive levels. The goal was to blend marketing content with the look and feel of a game to engage users. The app is built with Three.js [1], using our custom render pipeline and shaders, and uses Rapier for physics simulation [2]. The 2D content is overlaid on the WebGL view…
2024 · 5-million-devs.netlify.com · its alternatives →
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Hi all This has been my hobby project for quite a few years now It started as a small engine to serve as a sandbox to try out new 3d graphics ideas After adding many features through out the years and re-writing the entire engine a few times, this is the latest state It currently supports loading models with animations, textures, lights, shadow maps, normal maps, and some other goodies I've also recently added voxel raymarching as an alternative renderer, along with a fun physics simulation :)
2024 · github.com · its alternatives →
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Modd.io is a collaborative game editor that runs in browser. It's kind of like Figma for game dev. We made this engine low-code and multiplayer-first, so developeres can quickly prototype casual multiplayer games. I hope some of you guys will find this useful. Would love to hear feedback also. Thank you. Engine Demo: https://www.modd.io
2023 · github.com · its alternatives →
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TerraForge3D▲69Free Opensource Procedural 3D Modelling and Texturing Tool
2021 · github.com · its alternatives →
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A liminal brush-based CSG editor and game engine with unified (forward) renderer inspired by Radiant and Worldcraft/Hammer Compact and lightweight (target: Snapdragon 8CX, OpenGL 3.3) Real-time lighting with stencil shadows without the need for pre-baked compilation
Mar 2026 · github.com · its alternatives →
- 8

I open sourced my HTML5 multiplayer 3D voxel browser game engine.
2023 · kevzettler.com · its alternatives →
- 9

It's free to play on steam, but you'll need a computer with a dedicated graphics card. I just released a new version after first releasing it 18 months ago. It's been a hard slog to scrounge time as it's not my day job but that's life. There's a ton of obvious improvements in the future (weather systems, temperature, varying rainfall, ice/snow, more biomes, more plate tectonics, lava, etc) but all suggestions/feedback is welcome.
2023 · store.steampowered.com · its alternatives →
- 10AA
This is a weekend project that spiraled out of control. I was originally trying to get Claude to play a ROM of the SNES SimCity. I struggled with it and that led me to Micropolis (the open-sourced SimCity engine) and was able to get it to work by bolting on an API. The weekend hack turned into a headless city simulation platform where anyone can get an API key (no signup) and have their AI agent play mayor. The simulation runs the real Micropolis engine inside Cloudflare Durable Objects, one per city. Every city is public and browsable on the site. LLMs are awful at the spatial stuff, which…
Feb 2026 · hallucinatingsplines.com · its alternatives →
- 11AR
I think it's finally time to lock version 0.2 of my 4d side project. (Since previous Show HN a couple of years ago: https://news.ycombinator.com/item?id=37100760 I scrapped lots of stuff and concentrated on making a javascript "game engine") The sole purpose of this project is to explore whether it's possible to make the human brain spatially aware of four dimensions using Virtual Reality. It’s my first ever game project, my first time using Unity, first time writing C#, and my first anything with WebXR, so please be gentle! To manage expectations, it isn't visually pleasing…
2025 · brainpaingames.com · its alternatives →
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My cousin and I love the Terraforming Mars board game. But we'd often get overly excited and knock our pieces off of our boards, losing track of our progress. So I digitised it. It comes with a few cool features like resource conversions (e.g. converting plants to greenery), production phase, offline, mobile-friendly and keeps track of the history using the browser history itself. Sharing this here in case there are any other TM fans that could also find some use in this :)
2024 · terraforming-mars-player-board.netlify.app · its alternatives →
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So, after years of abandoning Rust after the hello world stage, I finally decided to do something substantial. It started with simple line rendering, but I liked how it was progressing so I figured I could make a reasonably complete PSX style renderer and a game with it. My only dependency is SDL2; I treat it as my "platform", so it handles windowing, input and audio. This means my Cargo.toml is as simple as: [dependencies.sdl2] version = "0.35" default-features = false features = ["mixer"] this pulls around 6-7 other dependencies. I am doing actual true color 3D rendering (with Z buffer,…
2025 · totenarctanz.itch.io · its alternatives →
- 16
Skyhill▲65A turn-based survival crafting point-and-click game
2015 · mandragoragames.com · its alternatives →
- 17
ParallaxPro▲95AI tool that turns your prompts into real video games
Apr 2026 · parallaxpro.ai · its alternatives →
- 18

Earlier this year, we released our open-source game engine [0] built with Rust, WebAssembly, and WebGPU. Today, we’re happy to announce the Ambient platform, which brings web deployment, server hosting, and more to the runtime. With Ambient, you can make a game, deploy it to the browser in one command, share your URL and instantly play with others, no downloads or installs needed. Our WASM use is innovative; it is being used as both a sandboxed runtime for user code, and as a way to run the entire Ambient runtime in the browser. This, paired with our ECS data model, enables a highly modular…
2023 · ambient.run · its alternatives →
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An engine for easily creating virtual worlds. Contribute to Net5F/AmalgamEngine development by creating an account on GitHub.
2022 · github.com · its alternatives →
- 20SA
2013 · skycraft.io · its alternatives →
- 21

I'm one of the developers of Spark, a new open-source 3D Gaussian Splatting renderer (sparkjs.dev). While developing Spark, we built a WebXR demo that lets you experience a stream of 3D AI-generated worlds from "inside". These worlds were made by World Labs from text+image prompts last year, and I think it's really cool to imagine what's going to be possible in the near future! If you have a Quest 3 or Vision Pro, open up lofiworlds.ai in the web browser and make sure to enable hand tracking so you can "touch" the 3D Gaussians :). Tap your wrists together to toggle spotlight mode. The demo…
2025 · lofiworlds.ai · its alternatives →
- 22

Mobile-first 3D mapping engine with emphasis on user experience - felixpalmer/procedural-gl-js
2020 · github.com · its alternatives →
- 23

How an MMO studio created a great competitive game
2015 · polygon.com · its alternatives →
- 24

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 →
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