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Top 7 C++ Gameengine Projects
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ReHLDS
Enhanced version of the HLDS engine with bug fixes, security patches, and optimizations for stable servers.
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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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Nuake
Nuake is a modern engine inspired by the Quake engine that integrates with Trenchbroom (by antopilo)
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CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
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).
C++ Gameengine discussion
C++ Gameengine related posts
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A forum engine written in Assembly
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Show HN: Using C++23 <stacktrace> to get proper crash logs in C++ programs
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Framebuffer color attachment rendering clear color but no geometry
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Howto set up a dedicated server in Half-Life?
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Pyxel v1.5 - A retro (PICO-8 type) game engine for Python (with Rust backend)
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[Media] Pyxel v1.5 - A retro game engine for Python (with Rust backend)
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Python is awesome!
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A note from our sponsor - SaaSHub
www.saashub.com | 22 Apr 2025
Index
What are some of the best open-source Gameengine projects in C++? This list will help you:
# | Project | Stars |
---|---|---|
1 | ReHLDS | 719 |
2 | Nuake | 359 |
3 | WelderEngineRevamp | 57 |
4 | XsLib-Game-Engine | 23 |
5 | Pixel-Editor | 8 |
6 | Ultra Engine Documentation | 3 |
7 | DragonEngine | 0 |