
      You are the regent of a small clan. Your task is to build an ever growing settlement. Every member of your clan will do his or her part to produce more resources to further this growth.
    
      
      Widelands offers a single-player mode with campaigns that tell stories of the tribes and their struggle in the Widelands universe. However, settling really starts when you unite with friends over the Internet or LAN to build up new empires together – or to crush each other in the dusts of war. Widelands also offers an artificial intelligence to challenge you.
    
    

Widelands

KMines is a classic Minesweeper game. The idea is to uncover all the squares without blowing up any mines. When a mine is blown up, the game is over.
    

KMines

ET: Legacy is a downloadable, free-to-play multiplayer game in which players wage war as Axis or Allies in team-based combat. It's a team game; you will win or fall along with your comrades. The only way to complete the objectives that lead to victory is by cooperation, with each player covering their teammates and using their class special abilities in concert with the others.
      Featuring multiplayer support for up to 64 players, ET: Legacy is the ultimate test of communication and teamwork on the battlefield. Players join the fray as one of five distinct character classes each with unique combat abilities. Each Axis or Allies team can divide itself into smaller fire teams for quick and easy communication using an intuitive messaging system and dynamic command map of the entire battlefield.
    

ET: Legacy

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.

This is an SDL port of the original game from 1995. It is a run and gun game which features pixel based lighting.

Abuse

OpenArena is a free and open source first-person shooter game based heavily on the Quake III Arena-style deathmatch. Score frags to win the game using a balanced set of weapons each designed for different situations. Guns include a chaingun, rocket launcher, shotgun, and railgun.OpenArena's style of play is very fast and requires skill to be played successfully online. Gameplay modes include Deathmatch, Team Deathmatch, Tournament, Capture the Flag, Elimination, CTF Elimination, Last Man Standing and Double Domination.

OpenArena

Free and open source first-person shooter

This open source multiplatform project, written from scratch, is designed to reproduce the original game with significant improvements to the gameplay, graphics and logic (including support for high-resolution graphics, improved AI, numerous fixes and UI improvements), breathing new life into one of the most addictive turn-based strategy games.
    

fheroes2

fheroes2 is a recreation of the Heroes of Might and Magic II game engine

Doom Runner is yet another launcher of common Doom source ports (like GZDoom, Zandronum, PrBoom, ...) with graphical user interface. It is written in C++ and Qt, and it is designed around the idea of presets for various multi-file modifications (Brutal Doom with mutators, Project Brutality with UDV, Complex Doom Clusterfuck, ...) to allow one-click switching between them and minimize any repetitive work.

Doom Runner

Preset-oriented graphical launcher of ZDoom and derivatives

NBTExplorer is an open-source NBT editor for all common sources of NBT data. It's mainly intended for editing Minecraft game data.

NBTExplorer

A graphical NBT editor for all Minecraft NBT data sources

2009scape is a free, open-source launcher for Runescape 2009 Emulation servers
      Not affiliated with the Jagex Launcher or OSRS.
    

2009scape

Twine is an open-source tool for telling interactive, nonlinear stories.
      You don't need to write any code to create a simple story with Twine, but you can extend your stories with variables, conditional logic, images, CSS, and JavaScript when you're ready.
      Twine publishes directly to HTML, so you can post your work nearly anywhere. Anything you create with it is completely free to use any way you like, including for commercial purposes.
      Twine was originally created by Chris Klimas in 2009 and is now maintained by a whole bunch of people at several different repositories.
    

Twine

Twine is an open-source tool for telling interactive, nonlinear stories

Rare is a frontend for legendary, an open source alternative for the Epic Games Launcher.Why Rare?Tries to be as lightweight as we can make it while still offering a feature-full experienceSupports all major platforms (Windows, Linux, Mac)Gets out of your way when you don't need it, allowing you to enjoy your gamesRare supports all core features from the Epic Games Launcher, like installing and launching games, also many options to launch games with compatibility tools.

Rare

A GUI for legendary, an open source Epic Games alternative

Flare is an open source, 2D action role playing game. Its gameplay can be likened to the games in the Diablo series.The Empyrean Campaign is a game made by the Flare team. The story begins with the player being exiled from their homeland of Empyrean, resulting in them embarking on a quest to regain entry. This journey takes the player through many regions, with plenty of side quests along the way.The player can choose between three different character classes with distinct strengths and skills. Each character class has unique powers to unlock and improve as they level up.Brute - A close-quarters fighter who utilizes swords, throwing-knives and other bladed weapons.Scout - A ranged weapon and trap specialist who primarily uses bows to defeat its foes.Adept - A spell caster who challenges enemies with fire, ice and lightning-based attacks.Players may find or buy different items to protect themselves from attacks or boost their stats. These include potions, scrolls, weapons, armor, and magical artifacts. Along with the normal equipment, there are enchanted, rare, and unique pieces of gear that provide extra bonuses.The Flare engine is licensed under GPL 3, whereas the Empyrean Campaign is licensed under CC-BY-SA 3.0. Both the engine and the game content are being actively developed, including new features, art, and content.

Flare: Empyrean Campaign

Red Eclipse is a fun-filled new take on the first person arena shooter, built as a total conversion of Cube Engine 2, which lends itself toward a balanced gameplay, with a general theme of agility in a variety of environments.Cross-platform multiplayerFeatures parkour, impulse boosts, dashing, and other tricksFavourite gamemodes with an array of mutators and variablesBuiltin editor lets you create your own maps cooperatively online

Red Eclipse

First-person shooter with agile gameplay and built-in editor

World War II rages and nations fall. SS head Himmler has Hitler's full backing to twist science and the occult into an army capable of annihilating the Allies once and for all. Battling alone, you're on an intense mission to pierce the black heart of the Third Reich and stop Himmler -- or die trying.
    
      The intent of this project is to provide a baseline RTCW which may be used for further development and fun. The map editor and associated compiling tools are not included. We suggest you use a modern copy of GtkRadiant. Some of the major features currently implemented are:
    
      
        SDL backend
        OpenAL sound API support (multiple speaker support and better sound quality)
        Full x86_64 support
        AVI video capture of demos
        Much improved console autocompletion &amp; Persistent console history
        Colorized terminal output
        Much improved QVM tools
        Many, many bug fixes
      
      
     Commercial data files are required to run the supported games. These can be aquired though a multitude of sources. See the manual for more info on this.
    
    

IO Return to Castle Wolfenstein

Game engine for Return to Castle Wolfenstein

 Hatari is an Atari ST/STE/TT/Falcon emulator for GNU/Linux, BSD, Mac OS X, Windows and
			other systems which are supported by the SDL library. The Atari ST was a 16/32 bit
			computer system which was first released by Atari in 1985. Using the Motorola 68000 CPU,
			it was a very popular computer having quite a lot of CPU power at that time. Unlike many
			other Atari ST emulators which try to give you a good environment for running GEM
			applications, Hatari tries to emulate the hardware of a ST as close as possible so that
			it is able to run most of the old ST games and demos. Hatari is open source software and
			is distributed under the terms of the GNU General Public License (GPL).
      Hatari supports the emulation of most of the ST and STE hardware, including some special
			tricks like raster interrupts, border effects and PSG sample sound. A joystick can be
			emulated with the cursor keys or with a real PC joystick. Hatari also features the
			possibility to "mount" a directory of the host system as a ST drive, or to use images
			from an original Atari's hard disk.
			Hatari is also able to emulate the additional hardware of the TT or Falcon machines,
			like the Videl video chip or the DSP 56001. However, note that TT and Falcon support are
			currently still in development and experimental.
    

Hatari

Download and install Quest games from ROOKIE Public Mirror (like VRP Rookie Sideloader
            but for linux).
    

QRookie


      KShisen is a solitaire-like game played using the standard set of Mahjong tiles. Unlike Mahjong however, KShisen has only one layer of scrambled tiles.
    
    

KShisen

SCID (Shane's Chess Information Database) is a chess database application that allows users to store, organize, and search through large collections of chess games. It also includes chess engines for playing against the computer and analyzing positions. Any Xboard or UCI compatible engine is supported.SCID displays graphical trends and produces printable reports on players and openings. Using Scid you can also play online on FICS, and even study endings with endgame tablebases.Engines included in the package:StockfishLeela Chess Zero

SCID

Guide a rolling ball through dangerous territory that you control by tilting the floor. Balance on narrow bridges, navigate mazes, ride moving platforms, and dodge pushers and shovers to get to the goal. Race against the clock to collect coins to earn extra balls. With nice physics and very clean and appealing 3D graphics, this is definitely a must play.Bundled with Neverball is also Neverputt, a hot-seat local multiplayer miniature golf game, built on the physics and graphics engine of Neverball.

Neverball

Deftly Guide a Rolling Ball through Many Slick 3D Levels


      Zandronum is a multiplayer oriented port, based off Skulltag, for Doom and Doom II by id Software. Zandronum brings classic Doom into the 21st century, maintaining the essence of what has made Doom great for so many years and, at the same time, adding new features to modernize it, creating a fresh, fun new experience. Here's why you should kill your time with Zandronum, versus vanilla Doom:
    
      
        Client/server architecture: play and switch between games with ease
        Supports up to 64 players 
        Wide array of gameplay modes
        Competitive: Team DM, Duel, CTF, Possession, LMS, Terminator, Skulltag
        Cooperative: Survival, Invasion (or both!)
        Modifiers, like Instagib and Buckshot, can be used to spice up any game
        Modern and beautiful
        Support for large number of ZDoom and GZDoom mods
        Choose between GZDoom's OpenGL renderer, or Doom's Software renderer
        Useful features like a console, Quake-style key bindings, freelooking, and jumping
        Support for many Doom engine based games including Heretic, Hexen, and Strife
        Supports modern versions of Windows, Mac OS X, and Linux
      
      
      In some scenarios, commercial data files are required to run the supported games. In other cases, it's possibly to automatically use Freedoom as a drop-in replacement. This package comes bundled with Doomseeker for easy installation and server browsing.
    
    

Zandronum

Leading the way in newschool multiplayer Doom online

X-Moto is a side-scrolling 2D motocross platform game where the objective is to collect all the floating items in the level and proceed to the checkered finishing ball. The motocross bike that the player rides in xmoto has a lot of bounce, and the if the player hits their head on any solid object the level has to be restarted.There are hundreds of levels available in X-Moto, both included in the initial install, and downloadable from the Internet. There is also the ability to challenge fastest times with other players from around the world. and saved ghost data to visually see the runs of other players through the levels.

X-Moto

A free/libre and open-source party game that is meant to replicate the feel of games such as Mario Party

Super Tux Party

The Doomsday Engine is a portable version of the classic first person shooters DOOM, Heretic, and Hexen. It lets you enjoy the original games using modern technology, including high-resolution OpenGL graphics, 3D models, and dynamic lighting effects.Data files from the original games are not included; you must acquire a copy of the original games from id Software and/or Raven Software. You may also use free alternatives such as https://freedoom.github.io/.

Doomsday Engine

Enhanced source port of Doom, Heretic, and Hexen

In Cro-Mag Rally you are a speed-hungry caveman named Brog who races through the Stone, Bronze, and Iron Ages in primitive vehicles such as the Geode Cruiser, Bone Buggy, Logmobile, Trojan Horse, and many others. Brog has at his disposal an arsenal of primitive weaponry ranging from Bone Bombs to Chinese Bottle Rockets and Heat Seeking Homing Pigeons.In addition to single-player racing where one player races against the computer, there are also several different multi-player modes including Tag, Quest for Fire, and Survival. Up to four players can play on a single computer in split-screen mode.About this port: CMR was released in 2000 by Pangea Software. It was a pack-in game on Macs that came out around that time. This is a port of the original OS 9 version of the game, made under permission from Pangea Software, Inc.

Cro-Mag Rally

The wildest racing game since man invented the wheel!

SysDVR-Qt is a tiny GUI wrapper for SysDVR-Client.
      To use this you need to setup SysDVR on your console first, see the guide for more information.
    

SysDVR-Qt

Stream Switch games to your PC via USB or network

Augustus is an open source re-implementation of Caesar III with changes to gameplay.
      The aim of this project is to provide enhanced, customizable gameplay to Caesar 3 using project Julius UI enhancements.
      
        Support for widescreen resolutions
        Windowed mode support for 32-bit desktops
        Several small in-game quality of life improvements
        Zoom controls
      
      
        Roadblocks
        Market special orders
        Partial warehouse storage
        Increased game limits
      
      Augustus requires the original assets (graphics, sounds, etc) from Caesar 3 to run. It optionally supports the high-quality MP3 files once provided on the Sierra website.
    

Augustus

Augustus is an open source re-implementation of Caesar III with changes to gameplay

Quakespasm is a *Nix friendly Quake Engine based on the SDL port of the popular FitzQuake. It includes some new features, important fixes, and aims for portability and 64 bit correctness.Features:Supports Windows, Mac OS X, Linux, other unices.Well tested on both 32 bit and 64 bit platforms.Well tested on both little endian and big endian platforms.OpenGL improvements. In-game resolution changing.Widescreen FOV (field of view) support and automatic Hor+ FOV scaling.Improved sound support. Support for OGG, MP3, Opus and WAV external music files.Improved game controller support using SDL2.Countless bug fixes, security fixes and other improvements.Support for playing the 'Quake 2021 re-release' contentQuakespasm requires a copy of the Quake game data, at the least in the form of the shareware data file pak0.pak. In order to set this up, open (and if necessary create) the directory ~/.var/app/net.sourceforge.quakespasm.Quakespasm/data on your computer and copy the id1 directory from a copy of Quake there. Quakespasm will notify you on startup if it cannot find or access the game data.

Quakespasm

A modern port of the original Quake engine

Dhewm 3 is a source port of the original Doom 3 (not Doom 3 BFG, for that you may want to try RBDoom3BFG). It's known to work on Windows, Linux, macOS, FreeBSD, OpenBSD and AROS, but it should work on (or be easily portable to) any system that supports OpenGL 1.4 with ARB shaders, SDL and OpenAL.
    
      Compared to the original version of Doom 3, Dhewm 3 has many bugfixes, supports EAX-like sound effects on all operating systems and hardware (via OpenAL Softs EFX support), has much better support for widescreen resolutions and has 64bit support.
    
      It only supports old Mods if they either don't require their own game DLL or have been ported to Dhewm 3 - see the Mods page for more information.
    
      Mod-binaries who are supported, are bundled with Dhewm 3. External data is still required.
    
      Note that while the Doom 3 source code has been released under GPL, you still need to legally own the game and provide Dhewm 3 the game data to play. See the How to Install section for more information.
    
    

Dhewm 3


      Sonic Robo Blast 2 is a 3D open-source Sonic the Hedgehog fangame built
      using a modified version of the Doom Legacy port of Doom. This unofficial version is heavily modified to more closely recreate the physics as seen in the classic games SRB2 was inspired by.
    
    

srb2 rphys

Gameplay overhaul mod for Sonic Robo Blast 2


      Path of Building Community Fork - A powerful build planner for Path of Exile

      This is a fork of Openarl's Path Of Building that includes many extra features not in the base version of PoB
    
    

Path of Building  (Community)

Path of Building (Community) - A powerful build planner for Path of Exile

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