Tourist Camping Tycoon is an isometric camping management simulation game. You must create your camping and manage the tourists business creating places, shops, entertainment and much more. TCT is created using jIsoEngine Platforms: Windows, BSD, Mac, Linux

Tower is a single-player turn-based role-playing game in the style of Rogue and Nethack, yet with its own unique elements and influences. In other words, it is a roguelike game under a modern interface. Platforms: Windows, Mac, Linux

Collection of Tradewars 2002 tools, including Kokua - Tradewars Assistant and TW Collaboration Server (TWCS). Only Kokua is currently active. Platforms: Windows, Mac, Linux

Trek7 the original multiplayer network star trek game from the early-mid 70s. We are hoping to revive this classic (no, its not netrek/mtrek, not even close). hopefully the SF community can help port this to modern day networks. Platforms: Windows, Mac, Solaris, Linux

This page will host every project released by the Brazilian Tremulous Development Team. Platforms: Windows, BSD, Mac, Linux

TripleA is a turn based strategy game and board game engine. TripleA comes with multiple games and over 100 more games can be downloaded from the user community. Supports single player vs AI, hot-seat, Play by Email and Forum, and a hosted Online lobby for live play online. Platforms: Windows, Mac, Linux

A project by Veqryn for creating, centralizing, and hosting all open-source TripleA maps, as well as other developer resources such as artwork and map makers. If you need the actual TripleA program, go here: https://sourceforge.net/projects/triplea/ Platforms: Windows, Mac, Linux

Trolls is an addictive strategic game where you choose your warrior and seek out to destroy all the trolls before they get to you. There are 3 different characters to choose from: Warrior, Wizard, or Elf. Each character has their own special power to trick and destroy the trolls. Platforms: Mac

Keyword: Affordable, Computer, Mac Classic, Shareware, Software

Turtle Dice is a single player yahtzee-like dice game with friendly, simple interface. Features include score previews, high score list, custom dice and color selection, optional sounds, and undo. Platforms: Mac

Remember back the BBS days of the 80's and early 90's? TWClone is an open-source game based on the popular BBS game Trade Wars 2002 by Martech Software. Be prepared for something familiar, but altogether different and amazing. Platforms: BSD, Mac, Linux

Tyrant is a graphical roguelike fantasy adventure game. It features intricate randomly generated landscapes, towns and dungeons. It is written in Java with a highly extensible game engine. Platforms: Windows, Mac, Linux

It is the year 2084. You control a secret organisation charged with defending Earth from a brutal alien enemy. Build up your bases, prepare your team, and dive head-first into the fast and flowing turn-based combat. Platforms: Windows, BSD, Mac, Linux

Here is THE ultimate Othello game, now available for MacOS X. Enjoy its new, aqua-friendly graphics, full Cocoa interface and animations. Platforms: Mac

Keyword: Flobopuyo, Free, Games, Gnu, Goom, Gpl, Ios-software, Linux, Mac, Music, Open, Software, Source, Tools, Utilities, Visualiser, Visualizer

Underworld is a massive multiplayer online role playing game (MMORPG) based on web technologies, so it can be played with any web browser. It is a fantasy game in which the player can be either a human or a monster: combats, spells, buy/sell items Platforms: Windows, Mac, Linux

UniVeCS is a generic vehicle combat turn-based game system simulating a broad range of vehicles from starships and giant robots to cars and tanks in both single player and networked multi-player modes. Platforms: Windows, Mac, Linux

A multiplayer turn based space strategy game similar to Masters of Orion. Written in Java, we are striving for a platform independent game. GPL'd source allows anyone to play for free! Platforms: Windows, Mac, Linux

Unknown Horizons is a 2D realtime strategy simulation with an emphasis on economy and city building. Expand your small settlement to a strong and wealthy colony and supply your inhabitants with valuable goods. LINUX PACKAGES: http://bit.ly/aurIC2 Platforms: Windows, BSD, Mac, Linux

Unvanquished is a fast-paced, futuristic FPS with RTS elements, pitting technologically advanced humans against hordes of highly adaptable aliens. The player can choose from either team, providing a fresh gameplay experience on both sides of the conflict. The game is under highly active... Platforms: Windows, BSD, Mac, Linux

UT Space Battle is a game mod for the Unreal Engine 3 which comprises a space combat simulation which aims primarily to explore innovative game play through the use of unconventional aspects that distinguish it from existing shooters and strategy gam Platforms: Windows, Mac, Linux

Utopia Intelligence Management Program -- A cross-platform intelligence formatter, manager & calculator for the online webgame Utopia (http://games.swirve.com/utopia). Platforms: Windows, BSD, Mac, Linux