Ur-Quan Masters v0.7.0 is a port of The Ur-Quan Masters, using SDL, targetted for Linux, all BSD, Windows, MacOS X, and other SDL-supported platforms.
Ur-Quan Masters HD Mod is an HD remake of Star Control 2. It’s the full Ur-Quan Masters game but also featuring a high resolution mode, new features, and new artwork.
The UQM-Mods project is a collection of 3 mods that allow players to “enhance” gameplay or to add features that were otherwise unavailable. For Ur-Quan Masters v0.7.0
SweetFX is a program that helps refining how your game looks, you can control effects like blur, AA, SMAA, FXAASMAA (anti aliasing), sharpening, vibrance, tonemap, curves, HDR, bloom – and more!
It seems that the frames per second drops is minimal.
Black Mesa is a FREE and complete re-creation of the game Half-Life, utilizing the Source engine. Black Mesa will let you re-visit the world that started the Half-Life continuum.
Black Mesa will require the Source SDK Base 2007 to run. Many Source games purchasable through Steam come with the Shared Resources, including the SDK, that you will need in order to run Black Mesa. To see if you can run Black Mesa, open Steam and look in the tools tab. If you see an entry titled Source SDK Base 2007, you can run Black Mesa. As of July, 2011, Valve made the Source SDK free for anyone to download. This means that users who create new Steam accounts will be able to play Black Mesa without having to purchase any games.
Casus Belli is a realistic multiplayer mod for Crysis Wars. It takes place in a not so distant future in the context of a third world war. You embody a soldier in many different surroundings, from the Afghan deserts to Ukrainian cities. The gameplay is battlefield-like, offering many brand new features. Casus Belli is developed by a non-profit association.
The game is not standalone but no purchase is necessary to play it. You can download and install Crysis Wars Trial version and patch 1.5, then download and install Casus Belli mod and patch 1.1. The Game is supported by Desura, Crysis wars Trial is available on Steam.
Wreckage is the final chapter of the trilogy, that began with the map “The Harbour” and was continued in the modification “Rainy Days”. It tells the story of three soldiers who try to survive a devastating war between two worlds.
Exterminatus (EX) is a team based, Warhammer 40,000 themed, total conversion for Half-life 2. EX is being developed by the team that brought you Rival Species for Half-life. Two teams/species featured in the first version of EX are the Imperium of Man (represented by tactical marines of Ultramarines chapter of the Adeptus Astartes) and Tyranid Hive Mind (represented by creatures of Hive Fleet Behemoth).
Each map plays through a series of objectives, capturing the final objective delivers victory to your team. Players that do well in combat or by capturing objectives are rewarded with the option to play better classes. Each team has five playable classes, each with their own weapons and play style.