Cube is an open source multiplayer and singleplayer first person shooter game built on an entirely new and very unconventional engine. Cube is a landscape-style engine that pretends to be an indoor FPS engine, which combines very high precision dynamic occlusion culling with a form of geometric mipmapping on the whole world for dynamic LOD for configurable fps & graphic detail on most machines. Uses OpenGL & SDL.

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Download:link

Zombies

Welcome to Zombies, a turn-based game where the only goal is to outlast and destroy the zombies before they do the same to you. Can you save humanity from being overrun?
zombies is free and open-source.

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Download:links

Armagetron

"A Tron clone in 3D"
This has been the tagline of Armagetron, since, well, a very long time, and is probably the shortest and most accurate description possible. Tron was an arcade game based on the movie of the same name, release by Disney in 1982. The original game consisted of 4 sub-games, the only one of concern is the 'Light Cycles' one, in which the player uses a left/right joystick to control a 'Light Cycle' which leaves a wall behind it wherever the cycle it goes, turning only at 90 degree angles. The player must then get the AI to crash into their wall while avoiding hitting the AI's own wall themselves. Those were the humble beginnings of Armagetron Advanced's game play, which has now blossomed into 16 player mayhem, with highly advanced AI, network game play, and of course all in a 3D environment.

Download:link

BZFlag 2.0.8

Tanked. Massively multiplayer networked tank-shooting game plays like a cross between 'Battlezone' and 'Tank Battle'. Players drive around an arena and blast other enemy tanks. The 3D is much enhanced from BattleZone in terms of looks and gamplay (features a multi-tiered battle arena). Here the tanks can jump. Tanks can enhance armaments or gain new fighting abilities by capturing 'power-up' flags littered around the playing field. Simple premise that rapidly becomes addicitive. Good fun.

Version 2.0.8:

• Added a plugin to record matches - Jeff Myers.


• Added an option to send out a UDP heartbeat message for observers behind flakey routers - Jeff Myers


• Replaced admin message sound - Sean Morrison


• Client and server now close http connections correctly - Daniel Remenak


• Fixed crash when rogue autopilot picks up a team flag - Daniel Remenak


• Fixed spawnpoint selection regression - Sean Morrison

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Download:link

The Battle of Wesnoth

The Battle for Wesnoth is a turn-based strategy game with a fantasy theme.
Build up a great army, gradually turning raw recruits into hardened veterans. In later games, recall your toughest warriors and form a deadly host against whom none can stand! Choose units from a large pool of specialists, and hand-pick a force with the right strengths to fight well on different terrains against all manner of opposition.

Wesnoth has many different sagas waiting to be played out. Fight to regain the throne of Wesnoth, of which you are the legitimate heir... step into the boots of a young officer sent to guard a not-so-sleepy frontier outpost... vanquish a horde of undead warriors unleashed by a foul necromancer, who also happens to have taken your brother hostage... guide a band of elvish survivors in an epic quest to find a new home.

200+ unit types. 16 races. 6 major factions. Hundreds of years of history. The world of Wesnoth is absolutely huge and limited only by your creativity - make your own custom units, compose your own maps, and write your own scenarios or even full-blown campaigns. You can also challenge up to 8 friends - or strangers - and fight in epic multi-player fantasy battles.

Features:

• Over 200 unit types in six major factions, all with distinctive abilities, weapons and spells.


• Experienced units gain powerful new abilities as they advance.


• Several multi-player options available, including internet play.


• Scores of different custom-designed maps, and unlimited random maps.


• Hundreds of campaign scenarios available for download via a simple in-game procedure.


• 'Fog of war' feature available for a true test of generalship.


• Sophisticated mark-up language lets advanced users make their own maps, factions or campaigns.


• Excellent language support – 20 different languages currently available.


• GNU/Linux, Windows, MacOSX, BeOS, Solaris, FreeBSD, OpenBSD, NetBSD, AmigaOS4, OS/2 & eComStation compatible.

Comments:

Download:here

Frozen Bubble



Frozen Bubble is a popular free puzzle game (especially in Linux platform). User controls a small canon, shooting bubbles and tries to hit other bubbles so to create groups of 3 or more bubbles of the same color. Whenever this is accomplished these bubbles go away. The purpose of the game is to eliminate all bubbles from stage.

Download :here

VDrift



VDrift is a cross-platform, open source driving simulation made with drift racing in mind. It's powered by the excellent Vamos physics engine. It is released under the GNU General Public License (GPL) v2. It is currently available for Linux, FreeBSD, Mac OS X and Windows (Cygwin).

Features
This game is in the early stages of development but is already very playable. Currently the game features:

• 13 Tracks: Brands Hatch, Circuit de Pau, Detroit, Laguna Seca, Le Mans, Monaco, Monza, Nürburgring Nordschleife, Road Atlanta, Ruudskogen, Spa Francorchamps, Weekend Drive, Zandvoort


• 21 Cars: 3S, AX2, CO, CS, FE, FF, G4, GT, M3, M7, MC, MI, RG, SB, T73, TC, TL, XG, XM, XS, Z06


• Simple networked multiplayer mode


• Very realistic physics


• Mouse/joystick/keyboard driven menus


• Fully modeled tracks, scenery and terrain


• Several different camera modes


• Basic replay system with Skip Forward/Skip Backward


• Day/night weather cycle


• Fully customizable controls


• Joystick and keyboard input filtering


• Brake lights

Comments:

Download:here

Scorched 3D



Scorched 3D is a game based loosely (or actually quite heavily now) on the classic DOS game Scorched Earth "The Mother Of All Games". Scorched 3D adds amongst other new features a 3D island environment and LAN and internet play. Scorched 3D is totally free and is available for both Microsoft Windows and Unix (Linux, FreeBSD, Mac OS X, Solaris etc.) operating systems.
You can pick up the game and begin playing very quickly. Then, when/if you are interested, you can poke in the dimmer recesses of the game and get into the strategy (or just ignore it altogether!).

At its lowest level, Scorched 3D is just an artillery game with two+ tanks taking turns to destroy opponents in an arena. Choose the angle, direction and power of each shot, launch your weapon, and try to blow up other tanks. That's basically it.

But Scorched 3D can be a lot more complex than that, if you want it to be. You can earn money from successful battles and use it to invest in additional weapons and accessories. You can play with up to twenty four other players at a time, mixing computer players with humans. There's a variety of changing environmental conditions and terrains to be dealt with. After the end of each round (which ends when everybody dies or there's only one person left), you get to buy stuff using the prize money you won from previous matches.

Download:here

Simon Extreme

Simon Extreme is a reinterpretation of the classic 1978 Milton Bradley game Simon, complete with authentic gameplay and sound samples from the original game. Written for Mac OS X, Simon Extreme features:

• Mac OS X Aqua-inspired graphics


• Alternate sound sets including Metal, Trip Hop, and Windchimes


• Local and internet high scores. Compare your scores with others on the internet!

Download:here

Mcsebi Pac the Man X



Pac-Man and Ms. Pac-Man are back! Pac the Man X has 25 new challenging levels and a new difficulty level: Master. Available for single player only, Master plunges the levels in total darkness. Are you daring enough to try it?

If you want more, then create more! Pac the Man now has a level editor, thanks to Andrew Stone! With its simple interface and ease of use, you can create new levels in no time.

Download:here

Quinn



Quinn is an implementation of a popular falling-blocks game. Written specifically for Mac OS X, it features a neat user interface, perfectly integrated with Aqua, and a smooth look and feel for best user enjoyment. The goal was not to reinvent falling-blocks games with yet another modification of the rules, but to preserve the simplicity of the original idea. Still there’s everything you might expect—including a two-player mode, network play with Bonjour support, an online server list and highscore database, and five different multiplayer rules.

Download:here

Solitaire XL



Solitaire XL is a stunning version of the well known one-person card game, Klondike Solitaire. It builds on the power of Cocoa and OpenGL to provide integrated 3D effects during gameplay.

Download:here

World of Warcraft



Massively Multiplayer Online Role Playing Game based in the fantasy-themed Warcraft universe. Currently dominates MMO market. Monthly subscription fee.

Download:here

ScummVM



ScummVM is a program which allows you to run certain classic graphical point-and-click adventure games, provided you already have their data files. The clever part about this: ScummVM just replaces the executables shipped with the game, allowing you to play them on systems for which they were never designed!

Download:here

StarCraft



As the military leader for your species, you must gather the resources you need to train and expand your forces and lead them to victory. 30 unique missions will challenge you across three different campaigns as you control the fate of the galaxy.

Download:here

WarCraft III: Reign of Chaos



Blizzard introduces a new concept in gaming: the RPS (Role-Playing Strategy) game. A strategy game set heavily within a role-playing environment, RPS takes the individual combat and interactive environments found in role-playing games and combines them within a competitive strategic environment. Warcraft III puts players in command of smaller, potent parties of heroes and troops. They adventure and do battle in a dynamic world of living towns, wandering monsters, characters and quests, while simultaneously devising strategies to defeat their enemies.

Download:here

WarCraft III: The Frozen Throne

The Frozen Throne is an expansion pack for WarCraft III: Reign of Chaos
Following in the tradition of previous Blizzard expansion sets, Warcraft III: The Frozen Throne provides gamers with a vast new chapter in the epic Warcraft saga. In the single-player campaign, players revisit the war-torn world of Azeroth. Several months have passed since Archimonde and the Burning Legion were defeated at the battle of Mount Hyjal, yet
a new threat has arisen throughout the land...

Download:here

Halo: Combat Evolved

You are the last of your kind. Bred for combat, built for war. You will fight on foot, in vehicles, in the air and beneath the surface of a mysterious alien ring orbiting in the depths of space.

Recognized as one of the greatest achievements in video game entertainment, the Xbox version of Halo has already sold over 3 million units and continues to be a top seller.

Halo v1.5.2 is now a Universal Binary. Halo owners with Intel Macs can acquire a copy of the Universal release of 1.5.2 by following the instructions at http://www.destineerstudios.com/support/halo.html.

Download:here

Sixtyforce

sixtyforce is an emulator that runs Nintendo 64 games. It does this by dynamically translating the code that a Nintendo 64 uses into something your Mac understands. Nearly every part of a Nintendo 64 has been painstakingly recreated entirely out of software to pull off such an amazing feat.

Download:here

Unreal Tournament 2004



Unreal Tournament 2004 is a multiplayer first person shooter that combines the kill-or-be-killed experience of gladiatorial combat with cutting-edge technology. Ten game modes - both team-based and "every man for himself" -- provide even the most hardcore gamer with palm-sweating challenges through unbelievably detailed indoor arenas and vast outdoor environments. As the ultimate techno-gladiator of the future, players will take their fates into their hands, battling against up to 32 other players online in action-packed, frag-filled arenas.

Download:here

Starcaft Broodwar



Starcraft Broodwar, the expansion to starcraft.

Download:here

Escape Velocity: Nova



EV Nova is the third game in the Escape Velocity series, and is by far the most ambitious installment to date. With a completely redesigned gaming engine, EV Nova thrusts you into a sprawling universe dominated by a myriad of warring factions, each sharing a common bond, but so philosophically different as to make conflict inevitable.

Download:Here

Neverball

Tilt the floor to roll a ball through an obstacle course before time runs out. Neverball is part puzzle game, part action game, and entirely a test of skill.

Also included is Neverputt, a hot-seat multiplayer miniature golf game using the physics and graphics of Neverball.

Krank

I’ve received some emails asking for another game to pass the time. I think I found it.
Krank is a game that is very simple, but fun and visually pleasing. I totally got lost in the colors and movement. (It may have been because I was listening to Purple Haze by Jimi Hendrix the first time I played it.
My one complaint is that there are no instructions and no documentation anywhere I could find. Because of that, here is the best description I can offer.
Basically, as you move your mouse, the little caterpillar-ish thing follows your cursor. On each level, you will see some random orbs. When you bump into one, it will move it in that direction. The purpose of the game is to direct the random orbs into the stationary orbs. Once two get attached, it blows up and you go to the next level.
Alright, that wasn’t real clear…but it was more than I had to start. It’s enough to get you started.

Download:here

Plasma Pong

This is the game of pong but more powerful and interesting and psychedelic and mesmerizing and lickable.

In the game you can inject plasma fluid into the environment, create a vacuum from your paddle, and blast shockwaves into the playing area. All these abilities have fluid-based kinetic effects on the ball, making Plasma Pong a fast-paced and exciting game.

If you have a big screen and some nice speakers, you could really get lost in this game.

Download:here

Mac Crack Attack

Mac Crack Attack is a game based on Super Nintendo’s Tetris Attack. It has a nice feel and game play, so it didn’t take long to draw me into playing for a while. You can play by yourself, or you can connect to someone else and play over the network. Fun game.

Download:here

Crystal Catastrophe


Crystal Catastrophe is a game that seems to combine Tetris and Minesweeper. Touch the falling crystals to crystals of the same color to make them explode. In the words of the developer, “Crystal Catastrophe combines the fun of looking at shiny things with the fun of smashing them.” You can also play against the computer or other people.

Download:here

MacFungus

MacFungus is an addictive strategy game where players on a grid have to eat each other�s tiles to win. The game can be played on the same computer or online. It supports up to 4 players.

I believe this game is a remake of “NetFungus” which was popular on the Classis Mac OS. The developer assure his “intentions are not to make a identical copy of NetFungus. (He) plan to improve on the original, in terms of visuals and gameplay. Because the concept of this game is not my invention. I will always keep it free.”

Well, we at FreeMacWare always like a good, free game.

Download:here