Top 23 C++ Game Engine Projects

• Godot

  491 39,112 10.0 C++

  Godot Engine – Multi-platform 2D and 3D game engine

  

  Project mention: Interior test scene in Godot 3.3 with new lightmapper | reddit.com/r/godot | 2021-06-15

  Actually, this is not the case. 4.0 has a GPU lightmapper which requires compute shaders to work. 3.3 got a new CPU lightmapper that replaced the old "last minute" CPU lightmapper that was initially added in 3.0.

• Cocos2d

  0 15,246 2.9 C++

  Cocos2d-x is a suite of open-source, cross-platform, game-development tools used by millions of developers all over the world.

  

• Scout APM

  Sponsored scoutapm.com

  Scout APM - Leading-edge performance monitoring starting at $39/month. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.

• pyxel

  1 8,208 4.8 C++

  A retro game engine for Python

  Project mention: Engine for 10-year-old who also wants to learn how to write code (ie. not block programming) | reddit.com/r/gamedev | 2021-02-12

  Not a game dev, but I remember looking at a tiny game engine called pyxel that seems to fit your description very well.

• Minetest

  13 6,028 9.6 C++

  Minetest is an open source voxel game engine with easy modding and game creation

  

  Project mention: Is there a good open source android game worth playing? | reddit.com/r/opensourcegames | 2021-04-27

  Minetest for minecraft-like sandbox game.

• entt

  18 5,276 9.7 C++

  Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more

  Project mention: Understanding ENTT/ECS and cache | reddit.com/r/gamedev | 2021-06-15

  I'm in the process of developing a game using entt to implement ecs, since I've heard that it can help with performance by optimizing memory packing / cache hit rate.

• urho3d

  11 3,562 8.9 C++

  Cross-platform 2D and 3D game engine.

  

  Project mention: 2D game framework/engine that is mostly code driven (not GUI-driven) | reddit.com/r/gamedev | 2021-06-02

  Urho3D, rbfx

• magnum

  3 3,514 9.7 C++

  Lightweight and modular C++11 graphics middleware for games and data visualization

  Project mention: Looking for code only game engine | reddit.com/r/opengl | 2021-03-29

  Try Magnum, it provides all you need for bootstrapping a game in modern C++: https://magnum.graphics

• SaaSHub

  Sponsored www.saashub.com

  SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

• Torque3D

  1 3,255 0.0 C++

  MIT Licensed Open Source version of Torque 3D from GarageGames

  

  Project mention: [AskJS] Why are large, sprawling functions more common than small, compact ones? | reddit.com/r/javascript | 2021-04-30

  A hundred lines? Luxury! We used to have 800-line functions written in C++! But to us, that was "object-oriented" 😌

• GamePlay

  0 3,195 0.0 C++

  Open-source, cross-platform, C++ game engine for creating 2D/3D games. (by gameplay3d)

  

• GDevelop

  20 2,829 9.6 C++

  :video_game: GDevelop is an open-source, cross-platform game engine designed to be used by everyone.

  Project mention: GDevelop: Crea Juegos con Javascript | reddit.com/r/fazt | 2021-06-13

• Panda3D

  10 2,774 9.6 C++

  Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU

  

  Project mention: How do i open toontown models/playgrounds into a program | reddit.com/r/toontownrewritten | 2021-06-12

  You can use any of the egg / bam conversion tools that come with the Panda3D SDK (https://www.panda3d.org/) to convert the models between different model formats that can be used in other modeling programs.

• FlaxEngine

  2 2,519 9.9 C++

  Flax Engine – multi-platform 3D game engine

  

  Project mention: Is there a good, open source, realistic OpenGL renderer for us to use? | reddit.com/r/opengl | 2021-05-30

• lumixengine

  1 2,437 9.7 C++

  3D C++ Game Engine - yet another open source game engine

  Project mention: Thinking of creating a Game Engine for my game... | reddit.com/r/gamedev | 2021-04-19

• Polycode

  0 2,355 0.0 C++

  Polycode is a cross-platform framework for creative code.

• Spring RTS game engine

  5 2,121 7.2 C++

  A powerful free cross-platform RTS game engine (by spring)

  

  Project mention: What are some proprietary programs you'd like an open source version of? | reddit.com/r/opensource | 2021-06-08

  so there's the Sprint RTS engine which is an open source framework for building RTS games. It's mature and there are many games available based on it.

• Gosu

  1 1,726 7.6 C++

  2D game development library for Ruby and C++

  

  Project mention: The Ruby Unbundled Series: Creating Games with Gosu | dev.to | 2021-03-24

  Many games use graphics of some kind, and the Gosu gem provides a nice wrapper around OpenGL capabilities for Ruby. It describes itself as a 2D Game Developer library, so let’s look at the basics and create a few games. You likely would want to use Chipmunk as well for advanced gaming. It is a game physics engine that easily integrates with Gosu.

• Torque2D

  0 1,636 0.1 C++

  MIT Licensed Open Source version of Torque 2D game engine from GarageGames

  

• xray-16

  7 1,595 9.4 C++

  Improved version of the X-Ray Engine, the game engine used in the world-famous S.T.A.L.K.E.R. game series by GSC Game World.

  

  Project mention: Hello everyone, the sources of the open xray stalker engine have been recently updated, which support cross-platform functionality. A question for connoisseurs of homebrew on a switch, can you assemble it on a switch, as was the case with openmw? | reddit.com/r/SwitchHacks | 2021-06-01

• OpenJK

  3 1,588 5.9 C++

  Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software

  

  Project mention: Compiling OpenJK | reddit.com/r/linux_gaming | 2021-01-23

  I am hoping he is referring to this :) https://github.com/JACoders/OpenJK Which is an open source version of the starwars jedi knight academy games.

• KlayGE

  0 1,555 8.6 C++

  KlayGE is a cross-platform open source game engine with plugin-based architecture.

• corona

  1 1,520 8.2 C++

  Solar2D Game Engine main repository (ex Corona SDK) (by coronalabs)

  

  Project mention: The Gates to Hell: Apples Notarizing | news.ycombinator.com | 2021-04-30

• Amazon Lumberyard

  1 1,506 3.3 C++

  Amazon Lumberyard is a free AAA game engine deeply integrated with AWS and Twitch – with full source.

  

  Project mention: Lumberyard source code - Amazon game engine | news.ycombinator.com | 2021-02-01

• dhewm3

  7 1,293 7.7 C++

  dhewm 3 main repository

  

  Project mention: Legacy AMD GPU drivers. | reddit.com/r/linux_gaming | 2021-05-28

  The games you mentioned, UT99, Quake 4 and Doom 3 should run just fine with OpenGL though (If you aren't already, use the dhewm3 source port of DOOM 3!). Consider using the Windows version of UT99 through Wine though, that might save you some headaches.

Index