AhmadHassan-BTed / CursedTomorrow
A 2D horror-survival and escape game built from scratch in C++. Navigate unsettling levels, survive the glitches, and escape the nightmare. Features a custom C++ game core, robust asset management, and comprehensive system architecture documentation.
godotengine / godot
Godot Engine – Multi-platform 2D and 3D game engine
ocornut / imgui
Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies
TokisanGames / Terrain3D
A high performance, editable terrain system for Godot 4.
FlaxEngine / FlaxEngine
Flax Engine – multi-platform 3D game engine
love2d / love
LÖVE is an awesome 2D game framework for Lua.
Shagg88 / Athelas
Play The Return of the King (PC and Xbox) and The Two Towers (Xbox) on a modern PC
mapeditor / tiled
Flexible level editor
UPBGE / upbge
UPBGE, the best integrated game engine in Blender
cocos / cocos-engine
Cocos simplifies game creation and distribution with Cocos Creator, a free, open-source, cross-platform game engine. Empowering millions of developers to create high-performance, engaging 2D/3D games and instant web entertainment.
Daniele-Cangi / xcp-xbox
Programmable, verifiable execution on Xbox Series X Developer Mode, with agent-native workflows, XVM, CPU/GPU runtimes and evidence-bound execution.
skypjack / entt
Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more
endless-sky / endless-sky
Space exploration, trading, and combat game.
bulletphysics / bullet3
Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.
o3de / 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.
IgorAugustoHH / The-Order-1886-PC-Port
The Order: 1886 rodando nativo no Windows 10/11: câmera cinematográfica original do PS4, NVIDIA DLSS, até 120 FPS, 23 idiomas e um launcher próprio.
doriaxengine / doriax
Game engine for 2D and 3D projects with entity component system (ECS) and data-oriented design
IppClub / Dora-SSR
A game engine for rapid development across devices, featuring a built-in Web IDE with intuitive toolchain.
defold / defold
Defold is a completely free to use game engine for development of desktop, console, mobile and web games.
ValveSoftware / GameNetworkingSockets
Reliable & unreliable messages over UDP. Robust message fragmentation & reassembly. P2P networking / NAT traversal. Encryption.
Redot-Engine / redot-engine
Redot Engine – Multi-platform 2D and 3D game engine
tomlooman / ActionRoguelike
Project Orion - Co-op Action Roguelike in Unreal Engine C++
rathena / rathena
rAthena is an open-source cross-platform MMORPG server.
TrenchBroom / TrenchBroom
Cross-Platform Level Editor
jrouwe / 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.
TeamHypersomnia / Hypersomnia
Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱
assimp / assimp
The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.
huxingyi / dust3d
Dust3D is a cross-platform 3D modeling software that makes it easy to create low poly 3D models for video games, 3D printing, and more.
ihhub / fheroes2
fheroes2 is a recreation of Heroes of Might and Magic II game engine
crownengine / crown
A complete and cross-platform game engine designed for flexibility, performance and fast iteration.
BobbyAnguelov / Esoterica
Esoterica Engine
gbdev / rgbds
Rednex Game Boy Development System - An assembly toolchain for the Nintendo Game Boy and Game Boy Color
kevinpbuckley / VibeUE
Unreal Engine Vibe Coding tool
nem0 / LumixEngine
3D C++ Game Engine - yet another open source game engine
scarsty / kys-cpp
《金庸群侠传》c++复刻版，已完工
JACoders / OpenJK
Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software
openblack / openblack
openblack is an open-source game engine that supports playing Black & White (2001).
axmolengine / axmol
Open-source C++ game engine with Lua for 2D and 3D games across mobile, desktop, WebAssembly, and Xbox (UWP).
EasyRPG / Player
RPG Maker 2000/2003 and EasyRPG games interpreter
huderlem / porymap
Map editor for pokeemerald, pokefirered, and pokeruby
gosu / gosu
2D game development library for Ruby and C++
nCine / nCine
A cross-platform 2D game engine
h4570 / tyra
Game engine for PlayStation 2™
afwbkbc / glsmac
Unofficial open-source OpenGL/SDL2 reimplementation of Sid Meier's Alpha Centauri ( + Alien Crossfire )
HyperionGameTech / HyperionEngine
A high performance Vulkan/DX12 game engine in C++ & C#
Jaysmito101 / TerraForge3D
Cross Platform Professional Procedural Terrain Generation & Texturing Tool
inexorgame / vulkan-renderer
A new, render-graph based 3D game engine for Linux and Windows using C++20 and Vulkan API 1.3 (in early development)
MethanePowered / MethaneKit
🎲 Modern 3D graphics made simple with C++20 cross-platform framework and rendering abstraction API on top of DirectX 12, Vulkan & Metal
NazaraEngine / NazaraEngine
Nazara Engine is a cross-platform framework aimed at (but not limited to) real-time applications requiring audio, 2D and 3D real-time rendering, network and more.
enginmanap / limonEngine
3D FPS game engine with full dynamic lighting and shadows
thedmd / imgui-node-editor
Node Editor built using Dear ImGui
sideeffects / SideFXLabs
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redorav / hlslpp
Math library using HLSL syntax with multiplatform SIMD support
nfrechette / rtm
Realtime Math
skylicht-lab / skylicht-engine
Skylicht Engine is C++ Game Engine based on Irrlicht 3D. And my goal is to create a high-performance and lightweight Game Framework that can seamlessly function on both web and mobile platforms. This framework will be available to everyone for free.
thunder-engine / thunder
Thunder Engine – Cross-platform 2D and 3D game engine with modular architecture
ocornut / imgui_test_engine
Dear ImGui Automation Engine & Test Suite
ZQuestClassic / ZQuestClassic
ZQuest Classic is a game engine for creating games similar to the original NES Zelda
Rythe-Interactive / Rythe-Engine
Rythe is a data-oriented C++20 game engine built to make optimal use of modern hardware.
ufna / VaCuus
Game UI in HTML/CSS for Unreal Engine, rendered off the game thread — RmlUi + QuickJS on a dedicated UI thread. Windows, macOS, Linux, Android and iOS.