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Game Modding

74 projects

Showing 36 of 74 projects

Arnis
ArnisRust

Generate detailed Minecraft worlds from real-world geography and architecture using OpenStreetMap and elevation data.

#terrain-generation#geospatial-data#game-modding
Stars17.1k
Forks1.4k
Last commit8 days ago
OpenRCT2
OpenRCT2C++

An open-source re-implementation of RollerCoaster Tycoon 2, adding modern features, multiplayer, and cross-platform support.

#multiplayer#msbuild#community-driven
Stars16.0k
Forks1.9k
Last commit3 days ago
Valve Source SDK
Valve Source SDKC++

Open-source game development SDK for creating mods and games using Valve's Source 1 engine.

#source-engine#first-person-shooter#steam-integration
Stars9.9k
Forks3.0k
Last commit21 days ago
Devilution
DevilutionC++

A reverse-engineered source code reconstruction of the 1996 game Diablo, serving as a modding and preservation base.

#multiplayer#game-preservation#c-plus-plus
Stars9.0k
Forks919
Last commit10 months ago
VVVVV
VVVVVActionScript

Open-source release of the 2010 indie puzzle-platformer VVVVVV, where you flip gravity instead of jumping.

#puzzle-platformer#sdl2#c-plus-plus
Stars8.0k
Forks599
Last commit9 days ago
The Battle for Wesnoth
The Battle for WesnothC++

An open-source, turn-based tactical strategy game with a high fantasy theme, featuring singleplayer campaigns and multiplayer combat.

#fantasy-game#fantasy#strategy-game
Stars6.8k
Forks1.2k
Last commit23 hours ago
Lib.Harmony
Lib.HarmonyC#

A library for patching, replacing, and decorating .NET and Mono methods during runtime, enabling non-destructive code modifications.

#mono#unit-testing#runtime-patching
Stars6.6k
Forks566
Last commit1 month ago
RuneLite
RuneLiteJava

A free, open-source client for Old School RuneScape with plugin support and customization.

#gradle#community-driven#old-school-runescape
Stars5.4k
Forks5.8k
Last commit3 days ago
Zelda3
Zelda3C

A reverse-engineered C implementation of The Legend of Zelda: A Link to the Past, playable from start to finish with modern enhancements.

#snes-emulation#emulator-development#zelda
Stars4.7k
Forks422
Last commit2 years ago
Warzone 2100
Warzone 2100C++

A free, open-source 3D real-time strategy game with a story-driven campaign, online multiplayer, and customizable units.

#multiplayer#vulkan#single-player-campaign
Stars3.9k
Forks608
Last commit1 day ago
WorldEdit
WorldEditJava

An in-game Minecraft map editor with selections, schematics, copy/paste, brushes, and scripting for creative building and server management.

#terrain-generation#hacktoberfest#gradle
Stars3.5k
Forks943
Last commit5 days ago
zDoom
zDoomC++

A modder-friendly OpenGL/Vulkan source port for Doom engine games with advanced scripting and rendering features.

#vulkan#open-source#doom-engine
Stars3.1k
Forks641
Last commit8 months ago
Bloxstrap
BloxstrapC#

A third-party bootstrapper for Roblox on Windows with Discord Rich Presence, content modding, and server location display.

#mod#launcher#roblox
Stars3.1k
Forks1.0k
Last commit8 days ago
OpenJK
OpenJKC++

A community-maintained open-source engine for Jedi Academy and Jedi Outcast with bug fixes, performance improvements, and multi-platform support.

#tps#openjk-mod#game-preservation
Stars2.3k
Forks702
Last commit13 days ago
Amulet
AmuletPython

A Minecraft world editor and converter supporting all Java and Bedrock versions since Java 1.12 and Bedrock 1.7.

#bedrock-edition#3rd-party#converter
Stars2.2k
Forks169
Last commit9 days ago
UZDoom
UZDoomC++

A modern source port for DOOM engine games with advanced graphics, dynamic lighting, and extensive modding support.

#vulkan#doom-engine#opengl
Stars2.0k
Forks166
Last commit6 days ago
Botania
BotaniaJava

A Minecraft tech mod themed around natural magic, focusing on plant-based automation and magical systems.

#hacktoberfest#minecraft-mod#magic-mod
Stars1.5k
Forks573
Last commit1 day ago
Unvanquished
UnvanquishedC++

An open-source arena FPS/RTS hybrid game where two distinct factions battle with base-building mechanics.

#community-driven#first-person-shooter#fps-game
Stars1.1k
Forks181
Last commit7 days ago
Rigel Engine
Rigel EngineC++

A modern C++ re-implementation of the classic DOS game Duke Nukem II, offering enhanced graphics and usability on modern systems.

#game-engine-2d#sdl2#opengl
Stars995
Forks65
Last commit2 years ago
KeeperFX
KeeperFXC

An open-source remake and fan expansion of Dungeon Keeper, modernizing the classic dungeon management game with enhanced features and modding support.

#simulation#multiplayer-gaming#c-plus-plus
Stars981
Forks111
Last commit1 day ago
FreeSO
FreeSOC#

A full reimplementation of The Sims Online game engine with modern enhancements and support for The Sims 1 via Simitone.

#multiplayer#volcanic#game-modding
Stars958
Forks138
Last commit4 days ago
TR1X
TR1XC

An open-source reimplementation of Tomb Raider 1, 2, and 3 with modern enhancements, bug fixes, and a unified engine.

#game-reimplementation#game-modding#game
Stars951
Forks60
Last commit23 hours ago
Crispy Doom
Crispy DoomC

A limit-removing enhanced-resolution Doom source port based on Chocolate Doom, offering visual and gameplay improvements while maintaining compatibility.

#chocolate-doom#accurate#doom
Stars932
Forks155
Last commit10 days ago
Zero-K
Zero-KLua

An open-source real-time strategy game featuring physical projectiles, smart units, and a powerful UI, built on the Spring Engine.

#springrts#scifi#open-source
Stars818
Forks249
Last commit2 days ago
DoomRetro
DoomRetroC

A refined DOOM source port for Windows PC that modernizes the classic game while preserving its nostalgic pixelated aesthetic.

#doom#sdl2-mixer#sdl2
Stars765
Forks92
Last commit1 day ago
Jedi Academy
Jedi AcademyC++

Open-source release of the Star Wars Jedi Knight: Jedi Academy game engine source code under GPLv2.

#action-game#gplv2#star-wars
Stars742
Forks203
Last commit13 years ago
SafetyHook
SafetyHookC++

A C++23 procedure hooking library for Windows that makes runtime function interception as safe as possible.

#hooks#cmkr#hook
Stars723
Forks81
Last commit1 month ago
OpenApocalypse
OpenApocalypseC++

An open-source re-implementation of the classic strategy game X-COM: Apocalypse, requiring the original game files to run.

#xcom-apocalypse#xcom#sdl2
Stars580
Forks107
Last commit2 months ago
Railcraft
RailcraftJava

A comprehensive Minecraft mod that greatly expands and improves the game's minecart system with new blocks, entities, and features.

#railcraft#minecraft-mod#gradle
Stars524
Forks204
Last commit2 years ago
objdiff
objdiffRust

A local diffing tool for decompilation projects that compares object files and highlights assembly differences.

#asm#powerpc#assembly
Stars492
Forks77
Last commit7 days ago
DSDA-Doom
DSDA-DoomC

A source port for Doom, Heretic, and Hexen with advanced demo recording, playback, and speedrunning tools.

#hexen#doom-engine#source-port
Stars491
Forks134
Last commit2 days ago
Alive Reversing
Alive ReversingC++

An open-source engine replacement for Oddworld: Abe's Oddysee and Exoddus, enabling bug fixes, modding, and new projects.

#game-engine-2d#sdl2#game-preservation
Stars429
Forks49
Last commit1 day ago
sfall
sfallC++

A set of engine modifications for Fallout 2, providing bug fixes, modern OS support, and extended scripting for modders.

#bug-fixes#fallout2#engine-modifications
Stars428
Forks43
Last commit2 days ago
Wargus
WargusC

A Warcraft II mod that runs the classic game using the open-source Stratagus engine with enhanced gameplay.

#community-translations#cross-platform-gaming#stratagus-engine
Stars425
Forks68
Last commit25 days ago
godot-luaAPI
godot-luaAPIC++

A Godot addon that adds Lua API support for creating sandboxed modding environments in GDScript, C#, or GDExtension.

#sandbox#lua-scripting#gdscript
Stars422
Forks39
Last commit1 year ago
Manic Digger
Manic DiggerC#

A multiplayer block-building voxel game and open-source Minecraft clone with creative, survival, and FPS modes.

#block-building#first-person-shooter#csharp
Stars401
Forks85
Last commit1 year ago
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Related Tags

#Cross Platform23#Retro Gaming21#Reverse Engineering20#Game Development19#Game16#Game Engine15#Open Source Game14#C Plus Plus14#Open Source Gaming14#Minecraft11#Source Port8#Java7
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