1jrouwe / JoltPhysics
A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West and Death Stranding 2.
+341 stars
from 11,769 · score 5.83
Trending repositories
Ranked by Attention Score: stars gained over the last 7 complete days
26 repositories by Attention Score · Oct 27, 2026 – Nov 2, 2026 (UTC)
2godotengine / godot
Godot Engine – Multi-platform 2D and 3D game engine
+330 stars
from 119,074 · score 5.80
3TokisanGames / Terrain3D
A high performance, editable terrain system for Godot 4.
+216 stars
from 4,431 · score 5.38
4recastnavigation / recastnavigation
Industry-standard navigation-mesh toolset for games
+147 stars
from 7,983 · score 5.00
5ocornut / imgui
Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies
+100 stars
from 76,822 · score 4.62
6endless-sky / endless-sky
Space exploration, trading, and combat game.
+30 stars
from 7,661 · score 3.43
7bulletphysics / bullet3
Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.
+24 stars
from 14,816 · score 3.22
8o3de / o3de
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.
+23 stars
from 9,786 · score 3.18
9mapeditor / tiled
Flexible level editor
+21 stars
from 12,999 · score 3.09
10lettier / 3d-game-shaders-for-beginners
🎮 A step-by-step guide to implementing SSAO, depth of field, lighting, normal mapping, and more for your 3D game.
+19 stars
from 19,987 · score 3.00
11ValveSoftware / GameNetworkingSockets
Reliable & unreliable messages over UDP. Robust message fragmentation & reassembly. P2P networking / NAT traversal. Encryption.
+19 stars
from 10,003 · score 3.00
12assimp / assimp
The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.
+16 stars
from 13,283 · score 2.83
13skypjack / entt
Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more
+14 stars
from 13,224 · score 2.71
14TeamHypersomnia / Hypersomnia
Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱
+12 stars
from 1,702 · score 2.56
15JACoders / OpenJK
Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software
+9 stars
from 2,312 · score 2.30
16axmolengine / axmol
Open-source C++ game engine with Lua for 2D and 3D games across mobile, desktop, WebAssembly, and Xbox (UWP).
+9 stars
from 1,492 · score 2.30
17gbdev / rgbds
Rednex Game Boy Development System - An assembly toolchain for the Nintendo Game Boy and Game Boy Color
+4 stars
from 1,664 · score 1.61
18panda3d / panda3d
Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU
+3 stars
from 5,260 · score 1.39
19nem0 / LumixEngine
3D C++ Game Engine - yet another open source game engine
+3 stars
from 3,899 · score 1.39
20EQMG / Acid
A high speed C++17 Vulkan game engine
+3 stars
from 2,027 · score 1.39
21Unvanquished / Unvanquished
Unvanquished is a free and open source FPS/RTS hybrid game powered by the Daemon game engine. Historically based on Tremulous as a continuation with decades of work over it.
+3 stars
from 1,128 · score 1.39
22IvanMurzak / Unreal-MCP
AI Game Developer for Unreal Engine — MCP plugin (C++ editor plugin + .NET bridge), unreal-cli, connects Unreal Editor to AI agents via ai-game.dev or a local MCP server
+3 stars
from 51 · score 1.39
23erayzesen / QuarkPhysics
A 2D Soft Body and Rigid Body Physics Engine.
+2 stars
from 298 · score 1.10
24GodotECS / godex
Godex is a Godot Engine ECS library.
+1 stars
from 1,421 · score 0.69
25nCine / nCine
A cross-platform 2D game engine
+1 stars
from 1,344 · score 0.69
26jsoysouvanh / Refureku
Cross-platform C++17 Runtime Reflection Library
+1 stars
from 253 · score 0.69