462 Open source projects that are alternatives of or similar to HLADM

Tactical 2D shooter in fishy pixels style. Made with Rust-lang and Macroquad 🦀🌶

Skater XL Multiplayer mod by silentbaws

SourceMod - Source Engine Scripting and Administration

Patch for Civilization V to allow modded multiplayer. Currently under development.

Advanced modding framework for multiplayer modifications

📥 Game Tracker: Half-Life: Alyx

Example Lua scripts for Onset for you to learn from.

A multiplayer mod for the game Getting Over It with Bennett Foddy, powered by the Oxide modding framework

Software Development Kit for the Steam version of Mafia2.

Half-Life PlayStation 2 map converter

Modern SDK for Xash3D FWGS engine, uses PhysX for physics, has advanced OpenGL renderer with a lot of features. Crossplatform, supported Windows/Linux. Based on XashXT and Spirit Of Half-Life.

Classic Arena First-Person-Shooter Mechanics for Unreal Engine 4.

Multiplayer experience for Mafia: Definitive Edition

Recreation & expansion of NPCs, entities, and weapons from the Half-Life series into Garry's Mod!

Phoenix LiveView multiplayer card game

Ashfall is a survival, camping and needs mod for Morrowind. It uses the latest in MWSE Lua scripting functionality to implement a wide range of mechanics that integrate seamlessly into the game and provide a truly immersive experience.

Collection of examples for using Google Cloud Game Servers.

A turn-based arena multiplayer role-playing game

A multiplayer mod for Software Inc written in C# for Unity.

A Wrapper for socket.io-client-csharp to work with Unity.

A cross-platform library for manipulating the load order and active status of plugins for the Elder Scrolls and Fallout games.

tamcolors is a terminal game library which supports multiplayer and audio. tamcolors gives a buffer which lets the user set the character, foreground color and background color which can draw at a stable FPS of 25 on all supported console.

Server authoritative multiplayer shooter game with fully destructible terrain

Allows a CT to instantly defuse the bomb when all Ts are dead and nothing can prevent the defusal.

TF2 NextBot stuff using base_boss

Mapchooser - Redux

Next generation modding platform for Final Fantasy VII and Final Fantasy VIII ( with native Steam 2013 release support! )

Unity WebGL basic multiplayer demo using WebSockets

Replayer for Among Us

Level Editor for the PC version of Sonic Generations

Lix: Lemmings-like game with puzzles, editor, multiplayer

Unofficial System Shock 1 Specifications

LLAPI Networking sample (Top Down Shooter)

A "perfect" implementation of an old classic

GodotHub Client Class, Multiplayer and network messaging for Godot

Halo memory editor

Havok format library

The Legend of Zelda: Breath of the Wild - Editor

Kerbal Space Program lightweight robotics with docking ports

Graphical editor for System Shock 1 (1994 and compatible)

uno multiplayer web app game based on socket io and nodejs

Primary repo for the Figura Project

A networking library for LibGDX utilizing Netty allowing easy creation of multiplayer games.

Outer Wilds online multiplayer mod, using Mirror and OWML.

"Fish Game" for Macroquad is an online multiplayer game, created as a demonstration of Nakama, an open-source scalable game server, using Rust-lang and the Macroquad game engine.

The Legend of Zelda: Breath of the Wild - Modding Documentation and Tools

www.five-multiplayer.net/

TF2Attributes SourceMod plugin

The official repository for Faithful 32x for Minecraft: Dungeons

A multiplayer capture the flag game made in Godot with love and blood. Running live at www.superctf.com

A backgammon client with multiplayer support

Trilogy Multiplayer (TMP) is a work in progress nonprofit open source multiplayer software project for Grand Theft Auto: The Trilogy. This repository serves as a base for discussions and project management.

Web-based, free and open source, remastered 3D clone of 3DO/NWC's 2000 card game Arcomage. 13 languages. Desktop or mobile Android iOS. Online or offline PWA. Against AI or Multiplayer (w/o server). 🧝👾🃏 (ts+react+redux+rxjs, CSS-based anim, WebRTC)

Land of the Rair is a full-blown MORPG styled like the MUDs of olde, featuring hours upon hours of gameplay.

Tools & code for use with Borderlands.

A community project to name every file used in Fox Engine game archives.

A 2D-sidescrolling resource collection game - Now open sourced!

Entity Component System with network support (for haxe)

API for SQLMatches.

Extended Mechanics & Flavor