Free multiplayer games software for linux

Lost Labyrinth is a so-called "roguelike" RPG playing computer game.
Main features:
- relatively short gameplay (about 10-20 minutes)
- very high replayability; nearly everything in the game is randomly generated
- Sketelona lot of options during the character generation; each character type requires another strategy to survive
- game focus on exploration; killing monsters does not give an experience bonus (but makes fun nonetheless)
- Multiplayer games on the same machine (up to 3 players with keyboard, mouse and joystick)
- "Zelda"-like graphics, sound and animation; smooth scrolling of game screen
- FreeWare
Enhancements:
- You can pick up items with the mouse (the pointer changes when you can interact with something).
- You can scroll spells with the mouse (up/down buttons).
- A text entry bug (could enter only one character since the new compiler) has been fixed.
- German special letters and spells have been fixed.
- An issue where the trader left you one field to the right (in the wall sometimes) has been fixed.
- The borders of the credits and high score screens have been fixed.
- The language of the help screen has been fixed.
- A merchant will wait a while before buying/selling is possible.

MegamekNET project is a team-based multiplayer online campaign game.

MegaMekNET is based on FASAs Classic Battletech boardgame. It lets you join the war for the Inner Sphere.

The game allows you to join a house and lead units of towering Meks against other players online from around the globe.

Crush the other houses beneath your armoured feet in this turn-based strategy game.

You and your team fight to resurrect the Star League.

JDuplicate project is a multiplayer word game suite supporting Scrabble and Duplicate.

It supports popular word games such as Duplicate and Scrabble.

JDuplicate Swing Client, commonly called JDSC, is the JDuplicate reference
client. It will allow you to connect to a JDuplicate server and play without
having to input complex commands as its main goal is usability.

Unlike JDCC, which was developped for debugging purposes, JDSC is developped
from the ground up with ease of use in mind. JDSC is fully graphical and
features user friendly characteristics such as drag&dropping tiles, full sound
support and a click and play interface for game selection.

Like the rest of the JDuplicate "official" package, running JDSC will require
that you install Java.

pyRacerz is a multiplayer top view 2D racing game. It features multiplayer (on the same computer), tournaments, high scores, replays, 6 tracks (really 12, because each track can be used Normal or Reverse), 9 cars, a basic robot player, 3 different levels of difficulty, and a music player (it can play the .ogg files locating in the musics directory).
Main features:
- Multiplayer (on the same computer)
- Tournament
- Challenge mode (for single user)
- Hi Scores
- Replays
- 8 tracks (1 to be unlocked)(in fact 16 because each track can be used Normal or Reverse)
- 9 cars
- Basic robot player
- 3 different levels of difficulty
- Music player (pyRacerz can play the .ogg files locating in the musics directory)

ZRacer is a ncurses multiplayer racing game. It has a curses based semi-graphical interface, random track generator, editable settings and supports hotseat multiplayer.
The rules are simple - the higher on the screen, the faster you ride. Dont crash with rocks, kerbs, or your opponent and be the first on the finish line.
Main features:
- Semi-graphical ncurses driven interface.
- Hotseat multiplayer.
- Random track generator.
- Runs on both Linux and Windows, tested.
- Beautiful source code.
Instructions:
Player 1 controls his car with arrow keys, and player 2 does it with wsad. The higher the car is on the screen, the faster it moves. Game time is measured with turns, where 1 turn is the time needed to move the car when its at the top verge of the screen. The track has two kerbs and occasional rocks are generated. When a car hits a rock or a kerb, it explodes. Your goal is to get to the finish line without exploding and within shortest possible time. Have fun.

PlaneShift is a persistent fantasy multiplayer RPG game with state-of-the-art 3D graphics.
Create your character and live in an ever-changing world. Build with us a Team that will make PlaneShift THE choice of MMORPG.
The objective of the PlaneShift Team is to create a virtual fantasy world in which a player can start as a peasant in search of fame and become a hero. We will focus our efforts in the reproduction of a real world with politics, economy, many non-player-characters controlled by the server that will bring to life our world even without players connected!
We want to give FREE access to everyone, without the need to either purchase the game or pay a monthly fee. Servers and bandwidth will be donated by sponsors.
Our virtual world is persistent, and this means you can connect to it at every hour of day or night and you will always find players and npcs wandering our realms.
You will be able to disconnect and reconnect again, the server saves the actual status of your character including his possessions. You will use a client program to interact with our world, that enables you to have a 3D view of the surroundings.
Here are 10 reasons why you should become a player and a fan of PlaneShift:
1. Planeshift is a great place to find new friends from all over the world!
2. PlaneShift is a virtual world where you always dreamed of living
3. PlaneShift is the first 3D MMORPG to be free for players
4. Thanks to our open development process, the game will be expanded endlessly for years to come
5. Planeshift is a game made by roleplayers to bring you all the immersion you need from a virtual world
6. A unique setting, realistic combat rules, great magic system with hundreds of spells
7. No budgetary constraints will stop development of the world or prevent the addition of new ideas
8. You can build your house, your castle, your realm
9. You have the option to live as an adventurer or as a normal citizen, both paths rewarded in game
10. You can submit comments, ideas, bugs and the dev team will take those into account in future releases
Main features:
Game features
- PlaneShift is under development. The following list represent some of the features of the final product.
- A Role Playing Game!
- 12 races with unique traits for the creation of your character
- Unlimited professions through a skill system
- Original magic system with six Ways of magic
- Hundreds of spells!
- A huge world to explore
- A great number of quests to test your wit and skill
- Monsters and NPCs with good AI that produce game events
- A world that evolves with or without player interaction
- Create your own house or castle
- Politics and economy
Client features
- PlaneShift is under development. The following list represent some of the features of the final product.
- 3D graphics and sounds for an immersive experience
- Support for nearly all platform: Windows (XP, 2000, ME, 98), Linux, Macintosh.
- Support of OpenGL, Direct3D.
- Easy interaction with other players through messages and chat
- Drag-n-drop objects between world and inventory
- A complex character generator, with parents, jobs, life events, etc...
- ... more will follow.
Enhancements:
- Reached mark above 110 quests.
- Complete review of quests, all of them are working in game now
- Greatly improved dictionary of NPCs, and common responses
- Added new creatures: derghir, tloke, kikiri
- Made available variations of many creatures
- Added dermorian female player character model
- Added 4 Kran skins
- Improved dermorian male character
- Added plate armor for many chars
- Added new skins for enkidukai clans
- Added spell casting effects
- Added lot of new items, like bludgeoning weapons, amulets, rings, plants
- Added missing animations to player characters
- Shadows are now present under characters and objects!
- Chat bubbles are used on players and NPCs during dialogs
- Completely remade how inventory works server-side for more robust management
- Enabled generation of random loot, you will see lot of new items!
- Improved NPC movement and AI
- Improvement to guild management
- Improvements to sketches, you can now edit your own sketches
- Improvements to books, you can now edit your own books

TryChess project is a multiplayer online chess game.
First it was only a test to try PHP5s news features. But it started growing and became a nearly complete chess game with many features.
Main features:
- Multiplayer game
- Preview move
- Hostory of moves
- Check and Check mate detection
- Browser indepentant (even lynx works, but does not look so good :) )
- Special moves supported partialy (rochade,...)
- Top Score list
- Invite friend function
- "Whos online?"
- Forum
- Admin functions
- Search for users

Batalla Naval is a networked, multiplayer battleship game. It has robots, and support for GGZ Gaming Zone and for IPv6.

The game has two versions:

The old version called batnav includes an ncurses server and clients for ncurses, xview, win31 and gtk.
The new version called gbatnav includes a gnome server, client & robot with support for IPv6 and GGZ.