1736 Open source projects that are alternatives of or similar to Frag.exe

Compatible client of Ace of Spades 0.75

ET: Legacy is an open source project based on the code of Wolfenstein: Enemy Territory which was released in 2010 under the terms of the GPLv3 license.

Archived repository. For current repo, see: https://github.com/etlegacy/etlegacy

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Soldat is a unique 2D (side-view) multiplayer action game

A C99 3D game engine

A free and open-source Touhou Project fangame

Source code repository of the FreeOrion project.

A simple Minecraft clone written in C using modern OpenGL (shaders).

The classic, refined DOOM source port. For Windows PC.

BetterSpades, an Ace of Spades client targeted at low end systems (GL/ES 1.1). Runs on your grandmother's rig!

Free (as in freedom) open source clone of the Age of Empires II engine 🚀

Reldens - You can make it - Open Source MMORPG Platform

Functional Reactive Programming domain-specific language embedded in Haskell, for programming efficient hybrid (mixed discrete-time and continuous-time) systems.

A fan-made multiplayer Super Mario Bros. style deathmatch game

Third-person Survival Game for Unreal Engine 4 (Sample Project)

🎮 Open Source teleportation based first person puzzle-platformer

Turn Based Strategy Game. Master your beasts! 🐺

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

A retro multiplayer shooter

🎮 A multiplayer first person shooter game based on Unity Game Engine

SpatialOS GDK for Unity FPS Starter Project

Launch your LASERCRAB at walls, ceilings, and enemy heads in this indie multiplayer shooter where "move" and "attack" are synonymous.

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

3D multi-player tank battle game

A 2d game that aspires to be similar to Rimworld, with more depth, magic, and RPG concepts.

Multiplayer, fast-paced Moba style game

A libre multiplayer FPS game created in Godot Engine

SuperTux source code

Ore Infinium, Open Source multiplayer Terraria-inspired Sci-fi game, focused on technology, devices and researching. Written in Kotlin (JVM), LibGDX. Cross platform

Team-Capture - A multiplayer FPS game, inspired by games like Quake and TF2. Done in Unity

Open "Minecraft-like" game with multiplayer support and Lua scripting support for the both client and server

Legacy VB6 open-source ORPG

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

A Cards Against Humanity clone for LAN play. Works on desktop and mobile. Supports custom cards in multiple languages.

A SCI-FI community game server simulating space(ships). Built from the ground up to support moddable online action multiplayer and roleplay!

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

Multiplayer AR game sample

khan will drive all your enemies to the sea (and also take care of your game's clans)!

Multiplayer RTS game prototype written in Java using LibGDX

A better version of Ogar

Data interchange and engine re-implementation for games by Retro Studios | Mirror

C++ Coop Horde Third-person Shooter for Unreal Engine 4 (Udemy Project)

A "perfect" implementation of an old classic

An experiment with WebSockets and the human condition.

Source code for cross-platform OpenGL gaming engine

"KaM Remake" is an RTS game remake written in Delphi from scratch.

SpatialOS GDK for Unity

Return To The Roots (Settlers II(R) Clone)

A re-implementation of Freelancer

The main repository containing Stunt Rally sources and game data. A 3D racing game based on VDrift and OGRE with track editor.

Turn based tactical RPG with several campaigns, written in Rust

Open source bridge simulator. Build with the SeriousProton engine.

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

Collection of cross-platform one-file C/C++ libraries with no dependencies, primarily used for games

⬡ Zone of Control is a hexagonal turn-based strategy game written in Rust. [DISCONTINUED]

😠⚔️😈 A minimalistic 2D turn-based tactical game in Rust

Fortran 2008 interface bindings to SDL 2.0

A modern re-implementation of the classic DOS game Duke Nukem II

⚔️ An online JavaScript 2D Medieval RPG.