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Top 23 Rust Game development Projects
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Project mention: Retro Boy: simple Game Boy emulator written in Rust, can be played on the web | news.ycombinator.com | 2025-03-20
> I hear a few problems with the audio emulation, (mostly clicks that shouldn't be there)
Almost anything WASM+Audio seems to do that in browsers today, unless you're really really careful about what you're doing and leverage multiple threads. I think the issue is mostly around single-thread contexts, where it has to switch between playing audio and other things.
I hit the very same issue myself with Bevy not too long time ago, and tracking this issue which has some further links if you wanna go down a rabbit-hole: https://github.com/bevyengine/bevy/issues/4078
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Project mention: A (not so) small library for terminal based game development | news.ycombinator.com | 2024-07-23
If pygamelib interests you, you might also be interested in Pyxel:
https://github.com/kitao/pyxel
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SpacetimeDB is open source[1], the open source version doesn't currently have all the features of maincloud, but most of those features are solely for scalability. I've done all of my work on my own local servers. I would even suggest paying for your own server up front until you're ready to scale out. I believe the 4 years is when the license changes to a more open license. And the scalability features on local are coming, they're just not here yet.
[1] https://github.com/ClockworkLabs/SpacetimeDB
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Project mention: Fyrox Game Engine – a Rust game engine with a real editor and scripting system | news.ycombinator.com | 2024-04-26
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InfluxDB
InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
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Another fantastic resource is the example game code in the gdext GitHub repo for a Dodge the Creeps game (which will sound familiar if you have followed the official Godot, GDScript-based, tutorial). You can try building it or just dip into for help to unblock if you get stuck working on your own game.
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Project mention: Show HN: Instantly visualize any codebase as an interactive diagram | news.ycombinator.com | 2024-12-27
This is fun! I’ve come across a few tools like this before and almost dismissed it due to past poor experiences. However, I just diagrammed our startup’s codebase, and it came surprisingly close to our hand-made diagram. I tried customizing it with specific instructions, but the one-generation-per-day rate limit is a bit restrictive.
For comparison:
- Hand made diagram: https://github.com/rivet-gg/rivet/blob/d45bf556e903404ab2df0...
- GitDiagram (no instructions): https://gitdiagram.com/rivet-gg/rivet
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It exists, but IMO it's not a good choice.
First of all, it doesn't support RenderGeometry or RenderGeometryRaw, which are necessary for high-performance 2D rendering. I doubt it will support any of the GPU stuff at this rate, as the geometry rendering is pretty much a prerequisite. Maybe both will land all at once, though. To wit, the relevant issue hasn't seen much activity: https://github.com/Rust-SDL2/rust-sdl2/issues/1180
Secondly, the abstractions chosen by rust-sdl2 are quite different from those of SDL2 itself. There seems to have been an aggressive attempt by the Rust library authors to make something more Rust-friendly, which maybe has made it more approachable for people who don't know SDL2, but it has IMO made it less approachable for people who do know SDL2. The crate gets plenty of downloads, so maybe it's just me.
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Project mention: Avian: 3D physics engine for the Bevy game engine | news.ycombinator.com | 2025-03-22
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quilkin
Quilkin is a non-transparent UDP proxy specifically designed for use with large scale multiplayer dedicated game server deployments, to ensure security, access control, telemetry data, metrics and more.
Made for hosting game servers on Kubernetes, and supports session auth, routing, monitoring, and various other features, some of them using prefix bits in UDP packages.
Also used for DOS protection without the traffic hitting the server.
Not sure how usable it is but Google actually has a lot of open-source stuff for game hosting on kubernetes with agones + openmatch + quilkin, I am somewhat tempted to play with them at some point.
[1] https://github.com/googleforgames/quilkin
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bevy_game_template
Template for a Bevy game including CI/CD for web, Windows, Linux, macOS, iOS and Android
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Rust Game development discussion
Rust Game development related posts
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SpacetimeDB
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SpacetimeDB v1.0: Multiplayer at the speed of light
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SpacetimeDB's License is modified AGPL
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SpacetimeDB: Combined database and backend for MMO games
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The "No Clear Winner" Era of Federated Microblogging
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SpacetimeDB: Multiplayer at the speed of light
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Show HN: SpacetimeDB 1.0 Is Here
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A note from our sponsor - SaaSHub
www.saashub.com | 20 Apr 2025
Index
What are some of the best open-source Game development projects in Rust? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | bevy | 38,976 |
| 2 | egui | 24,454 |
| 3 | pyxel | 16,188 |
| 4 | SpacetimeDB | 14,079 |
| 5 | Fyrox | 8,183 |
| 6 | piston | 4,664 |
| 7 | ggez | 4,384 |
| 8 | Ambient | 3,848 |
| 9 | gdnative | 3,635 |
| 10 | gdext | 3,572 |
| 11 | rivet | 3,381 |
| 12 | rust-sdl2 | 2,832 |
| 13 | specs | 2,565 |
| 14 | bevy-cheatbook | 2,077 |
| 15 | avian | 1,982 |
| 16 | pixels | 1,906 |
| 17 | sprite-dicing | 1,384 |
| 18 | quilkin | 1,362 |
| 19 | Coffee | 1,104 |
| 20 | Tetra | 960 |
| 21 | kira | 929 |
| 22 | bevy_game_template | 927 |
| 23 | notan | 894 |
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