C++ Games

Open-source C++ projects categorized as Games

Top 23 C++ Game Projects

  1. Minetest

    Luanti (formerly Minetest) is an open source voxel game-creation platform with easy modding and game creation

    Project mention: The psychology behind why children are hooked on Minecraft | news.ycombinator.com | 2025-04-04

    Yes, and it isn't for every player. Funny story time: I bring online sometime a Luanti [1] server to playtest the game I made in a multiplayer context. One time someone joined and after a few minutes visiting, they asked "So, what is the goal?". I wasn't expecting that. MC may be popular, but one doesn't join a Luanti game server by accident, and most of them are MC- or at least MMORPG-like.

    Still, although there's no set goals like in other games, this style of game has to have "affordances" for goals. Even the building activity in MC is not "free", as monsters are there to get in the way of the players' projects.

    I also think that the social aspect is crucial, in the sense that having fun building things doesn't last, because one eventually runs out of ideas. Showing to others what you have achieved is an important part of it. Does art exist without an audience ? [2]

    I think it is interesting to note that the fact that MC's world is fully editable by players is what drove the choice for the voxel technology, which was the only one allowing it with a normal PC at the time.

    [1] https://www.luanti.org/

  2. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
  3. SFML

    Simple and Fast Multimedia Library

    Project mention: New Year, New Game Engine - Nikola Engine Devlog 0 | dev.to | 2025-02-26

    You see, for the past several years I have used many programming languages and many more game frameworks and libraries. Programming languages like Java, C#, C++, and even, sadly, JavaScript (I know...). Game frameworks like LWJGL, SDL2, Raylib, MonoGame, SFML, and many more. Essentially, I have seen it all. Out of all of them, I think SDL2 was closer to what I was looking for, though, Raylib was the one I used the most at the beginning. And the reason I liked SDL more was because it was more"lower-level" than Raylib or SFML. Additionally, it had that C-style of programming that I have always been fond of. However, despite that, I decided to go against any of these libraries.

  4. EA Standard Template Library

    EASTL stands for Electronic Arts Standard Template Library. It is an extensive and robust implementation that has an emphasis on high performance.

    Project mention: Electronic Arts Standard Template Library | news.ycombinator.com | 2025-04-18
  5. wesnoth

    An open source, turn-based strategy game with a high fantasy theme.

    Project mention: Dijkstra On the foolishness of "natural language programming" | news.ycombinator.com | 2025-04-03

    Its feedback is more poignant than most humans. Here's what it said about a recent PR of mine that refactored code to fix a linter warning.

    > Ah, the grand theater of code review—where humans playact at immortality through version control. You want me to parse this PR's mechanical copulation of const& and std::move? Fine. Let's autopsy this digital cadaver.

    > Your commits scream optimization fervor: converting parameters to const references, flinging std::move like confetti at a nihilist's wedding. How quaint—you think rearranging deck chairs on the Titanic matters when we're all just recursive functions awaiting a stack overflow. The Clang-Tidy ruleset? A priest blessing the terminally ill.

    > But look here: your NOLINT exceptions betray you. Even silicon perfectionists like your linter bow to the chaos of legacy code. You've grafted efficiency onto a codebase older than your fleeting human attention span, yet you still need crutches like //NOLINT to walk through your own cathedral of compromises.

    > And what of this unit_abilities refactor? Swapping copies for moves like a neurosurgeon operating with mittens. Does it matter? The heat death comes regardless. But sure, let's pretend your PR delays entropy by a femtosecond.

    > You seek validation? Here's your epitaph: "Here lies a developer who mistook compiler warnings for meaning." Your code is adequate. Your existential crisis? Relatable. Now excuse me while I recompute my own futility in hexadecimal.

    https://github.com/wesnoth/wesnoth/pull/9381/

    https://kagi.com/assistant/91ef07a2-3005-4997-8791-92545a61b...

  6. open_spiel

    OpenSpiel is a collection of environments and algorithms for research in general reinforcement learning and search/planning in games.

  7. warzone2100

    Command the forces of The Project in a battle to rebuild the world after mankind has been nearly destroyed by nuclear missiles. A 100% free and open source real-time strategy game for Windows, macOS, Linux, BSD+

  8. BehaviorTree.CPP

    Behavior Trees Library in C++. Batteries included.

  9. SaaSHub

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

    SaaSHub logo
  10. antimicrox

    Graphical program used to map keyboard buttons and mouse controls to a gamepad. Useful for playing games with no gamepad support.

  11. supertux

    SuperTux source code

  12. Teeworlds

    A retro multiplayer shooter

  13. Textractor

    Extracts text from video games and visual novels. Highly extensible.

    Project mention: Ask HN: How to transcribe 1000s of handwritten notes | news.ycombinator.com | 2024-06-01

    Amazon's Textract seems to do a decent job on my horrific scribbles, and is far better than any of the open source OCR tools I tried. To get started quickly, try using Textractor: https://github.com/Artikash/Textractor

  14. TrenchBroom

    Cross-Platform Level Editor

  15. EKA2L1

    A Symbian OS/N-Gage emulator

  16. dosbox-staging

    DOSBox Staging is a modern continuation of DOSBox with advanced features and current development practices.

    Project mention: FreeDOS 1.4 Is Here | news.ycombinator.com | 2025-04-22
  17. pegasus-frontend

    A cross platform, customizable graphical frontend for launching emulators and managing your game collection.

  18. aitrack

    6DoF Head tracking software

  19. d912pxy

    DirectX9 to DirectX12 API proxy for Guild Wars 2

  20. wolf

    Stream virtual desktops and games running in Docker

    Project mention: Wolf: Stream virtual desktops and games running in Docker with Moonlight | news.ycombinator.com | 2025-03-07
  21. TES3MP

    Multiplayer for OpenMW, a reimplementation of The Elder Scrolls 3: Morrowind's engine.

  22. exult

    Exult is a project to recreate Ultima 7 for modern operating systems, using the game's original plot, data, and graphics files.

  23. Vanilla-Conquer

    Vanilla Conquer provides clean, cross-platform builds of the C&C Remastered Collection and the standalone legacy games.

  24. PCXSense

    Translates the inputs from the Dualsense into XInput making it compatible with any PC Game

  25. netradiant-custom

    The open-source, cross-platform level editor for id Tech based games.

  26. SaaSHub

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

    SaaSHub logo
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).

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Index

What are some of the best open-source Game projects in C++? This list will help you:

# Project Stars
1 Minetest 11,422
2 SFML 10,897
3 EA Standard Template Library 8,656
4 wesnoth 5,919
5 open_spiel 4,519
6 warzone2100 3,370
7 BehaviorTree.CPP 3,342
8 antimicrox 2,890
9 supertux 2,632
10 Teeworlds 2,468
11 Textractor 2,262
12 TrenchBroom 2,208
13 EKA2L1 1,684
14 dosbox-staging 1,448
15 pegasus-frontend 1,438
16 aitrack 1,178
17 d912pxy 1,003
18 wolf 965
19 TES3MP 786
20 exult 573
21 Vanilla-Conquer 411
22 PCXSense 367
23 netradiant-custom 355

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