System Shock 2 is a first-person shooter video game that features both traditional elements found in shooters as well as unique elements that make it stand out. Players will find several gameplay elements such as logs, inventory, skills, persistent world, leaning, hacking and RPG-style character development. There are multiple weapons and enemies to fight against while the plot is always present but not so confining like most other shooters - there's usually more than one task to accomplish. The levels are designed realistically with logical reasons behind them and the player can drop items on one level and go back later to retrieve them. System Shock 2 continues this classic game design from its predecessor System Shock 1 giving players an immersive experience full of compelling storylines.

Half-Life 2: Episode Two is the second installment in Valve's award-winning Half-Life trilogy. Players take on the role of Dr. Gordon Freeman as he travels with Alyx Vance to deliver a crucial information packet stolen from the Citadel to an enclave of resistance scientists. Along the way, they must battle and race against Combine forces while navigating White Forest. The game offers unique weapons, vehicles, and creatures that extend the gameplay found in its predecessor.

Half-Life 2: Episode One is an all-new episode created by Valve that continues the Half-Life 2 single player adventure. Players take on the role of Dr. Gordon Freeman, who must face the consequences of his actions in City 17 and the Citadel. Along with Alyx Vance and her robot Dog, players join forces with the resistance to battle against Combine forces. Through this thrilling adventure, players will experience a gripping story line filled with intense action and immersive environments.

Natural Selection 2 is a stand-alone video game available through Steam that is a revamped version of the Half-Life mod. The game features two unique sides, alien and marine, each with their own strengths and weaknesses. Players can customize their characters to suit their playstyle or join one of several premade classes. Natural Selection 2 also includes a variety of maps that are designed for intense 5v5 battles between the two opposing teams. The game has been praised for its focus on teamplay and strategy, as well as its excellent visuals and sound design.

The Thing is a video game set in the frozen wastelands of Antarctica. Players assume the role of a leader of a military rescue team sent to investigate mysterious deaths of an American scientific expedition. In this harsh environment, players must battle against an alien life form that can shape-shift and take on the appearance of those it kills. This being is hard to spot, difficult to kill and seemingly impossible to evade - resulting in often too late confrontations with The Thing.

Half-Life: Blue Shift is the second expansion pack for the groundbreaking first-person shooter Half-Life. Players take on the role of security guard Barney Calhoun, and must fight to rid Black Mesa compound of any extraterrestrial or misguided soldiers that stand in their way. The game also includes Opposing Force, which was the original expansion pack for Half-Life.

In Aliens: Colonial Marines, players take on the role of a United States Colonial Marine squad and prepare to face an intense and horrific alien assault. Developed by renowned writers Bradley Thompson and David Weddle, this game uses next-generation technology to create an entirely new interactive experience for fans of the original Alien movie series. Players will wield classic weapons such as pulse rifles and flamethrowers while also having access to brand new equipment. The brooding soundtrack combined with claustrophobic environments creates an atmosphere that heightens tension in each mission. There is both a story driven single-player mode and a four player co-op mode which allows up to four players to share their experiences with others online or offline. Aliens: Colonial Marines is sure to be a thrilling gaming experience for anyone looking for some extraterrestrial action!

Resident Evil: The Mercenaries 3D is a video game set in the Resident Evil universe. It features missions from Resident Evil 4 and 5, now fully realized in stunning 3D. Players will compete against the clock to defeat as many enemies as possible within a fixed time limit. New modes, characters and co-op gameplay through Nintendo's WiFi Connectivity will be added to enrich and extend the Mercenaries experience for players all around the world.