Mass Effect 2 is the second installment in the Mass Effect trilogy, a science fiction adventure set in an expansive universe. In this dark chapter of the story, Saren's Geth army has been defeated by humans who are still looking to make their mark in the galaxy. However, they soon discover that a greater danger awaits them as they seek out new allies and powerful weapons to defeat it. Players can explore exotic locations and engage with colorful characters from across the universe while engaging in intense battles against dangerous alien species. With its deep character development system and thrilling combat mechanics, Mass Effect 2 provides hours of captivating gameplay for fans of sci-fi action games.

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.

TimeSplitters 2 is an action-adventure video game developed by Eidos Interactive. In the game, players must hunt down an evil race of aliens known as TimeSplitters who are traveling back in time and attempting to enslave humanity. Players take control of a ragtag group of characters and venture through time periods such as 1920's gangster-ridden America, Aztec temples, Soviet military installations during the Cold War era, and robot factories in space. The goal is to collect crystals needed to close a rift in time caused by the TimeSplitters in order to save humanity from enslavement.

Halo: The Master Chief Collection is a compilation of the Halo games featuring the complete story of the Master Chief playable on one console. It includes remastered versions of Halo 2: Anniversary, Halo: Combat Evolved Anniversary, Halo 3 and Halo 4, along with new digital series such as 'Halo Nightfall' and access to the beta release of 'Halo 5 Guardians'.

Halo 3 is the third game in the Halo trilogy and provides a thrilling conclusion to the events that began in Halo: Combat Evolved. The Master Chief returns to Earth to finish a fight against the Covenant occupation of Earth, which has uncovered an ancient object beneath African sands. Meanwhile, forces on Earth are battered and beaten, Cortana remains trapped in Gravemind's clutches, and a civil war rages within the Covenant. This is how it all ends - with an epic finale from Bungie that will leave players wanting more!

TimeSplitters: Future Perfect is a video game in which players take on the role of Cortez, a tough-as-nails hero from previous installments. In this installment, Cortez must race against time to save mankind from destruction by the malevolent TimeSplitters. The game features Story mode with co-op gameplay, Challenge and Arcade modes, and Multiplayer mode that allows gamers to battle online with up to 16 players. It also includes an improved Map Maker feature that allows players to create and share their own maps online. Innovative meet yourself time travel gameplay lets gamers team up with their past and future selves for victory. With realistic environments, special effects, cut scenes, physics engine and enemy AI - TimeSplitters Future Perfect promises hundreds of hours of engaging arcade shooter action on PlayStation 2 console system.

Warhammer 40,000: Dawn of War is a science fiction real-time strategy game set in the violent post-apocalyptic universe of the 41st millennium. Developed by Relic Entertainment, it provides an immersive entertainment experience with epic proportions. Players command hardened troops, deadly vehicles and high tech weaponry with one goal in mind - the complete extermination of the opposition. They can choose to lead Humanity's finest - Space Marines, Chaos Space Marines (traitors to man), Orks (brutal and savage beasts) or Eldar (psychic and technologically advanced aliens). By controlling their race they are able to shape their own destiny as well as that of others within this harsh world.

Halo: Combat Evolved is a sci-fi first person shooter game set in an alien world shaped like a ring. Players take on the role of Master Chief, mankind's super soldier, and must combat the attacking Covenant forces. Missions involve battling enemies on foot and in vehicles with human and alien weapons, raiding underground labs for advanced technology, rescuing comrades, and sniping enemy forces. The game also allows up to four players to battle each other via split screen or team up cooperatively through single-player missions.

Quake III Arena is a fast-paced and intense online multiplayer game that will take players on an exciting journey through cyberspace. Players must be prepared to leave behind their common sense and doubts as they battle against legions of enemies in eerie, dangerous lands. The game tests players' reflexes and gut reactions as they face unpredictable hazards throughout the game. Players must immerse themselves in this thrilling experience if they want to survive.

Halo: Combat Evolved Anniversary is a remastered version of the classic Halo game released to celebrate the 10th anniversary of one of gaming's most beloved franchises. The new version includes cooperative play over Xbox LIVE, reimagined versions of some of Halo’s best multiplayer maps, and new challenges and story elements for players to uncover.

Quake is an intense first-person shooter video game from id Software. Players navigate through 32 single player levels and 6 deathmatch levels, all of which feature realistic sound effects and lighting effects to create a fully immersive experience. As they progress through the game, players can arm themselves with various weapons like nails, Thunderbolts, Rocket Launchers and Grenade Launchers in order to defeat enemies such as Ogres, Vores and Schamblers. Quake promises a thrilling gaming adventure that will have you fighting for your life every step of the way.

Crysis is a next-generation PC first-person shooter developed by Crytek, the award-winning developers of Far Cry. In 2020, global tensions have reached their peak when North Korea seizes an area in the South China Sea where U.S archeologists uncovered a mysterious artifact. The U.S dispatches Delta Force operatives to rescue the team and uncover the true nature of this artifact which reveals an alien presence on Earth - triggering a massive invasion! Gamers will now take up arms against aliens with customizable weapons and a Nanosuit that allows them to adapt quickly to hostile environments and enemy tactics. It's time for gamers to join forces to save Earth from this alien threat!

Warhammer 40,000: Armageddon is a turn-based hex game developed by Flashback Games and The Lordz Games Studio. Set during the Second War for Armageddon, players will lead Imperial forces against an Ork invasion over 30 scenarios on the hostile terrain of the planet and its Hive Cities. Featuring characters from the Warhammer 40,000 universe, this complex plot involves carrying core forces from scenario to scenario as you progress through the campaign.

TimeSplitters is a video game set in the years 1935-2035, where a group of heroes and villains are unknowingly being manipulated by an evil race from outside of time and space called TimeSplitters. The TimeSplitters have been using cursed shards of crystal to cause fear, greed, and conflict throughout history. Now that they have returned, our heroes must unite against them or humanity will be doomed to live under their shadow forever. Players must join forces with these characters to battle the TimeSplitters and save humanity from destruction.

Vanquish is a sci-fi shooter game directed by Shinji Mikami. Players take the role of Sam, a government agent kitted out with a futuristic battle suit, in a near future world where nations war over the planet's remaining energy resources. He is armed with an arsenal of weaponry and martial arts skills to take on robot enemies. The combat system is fast, fluid and frenetic while also providing an engaging and immersive storyline that makes for an epic gaming experience.

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.

Crysis 2 is the sequel to the popular first-person shooter game, Crysis. The game runs on CryEngine 3, and will be released for PC, PlayStation 3 and Xbox 360. The player takes control of an advanced Nanosuit that has been designed to adapt in any situation. Players must use their new abilities to survive against a variety of enemies as they fight for freedom in New York City during an alien invasion. With its cutting-edge visuals and intense action gameplay, Crysis 2 promises to deliver one of the most exciting gaming experiences yet.

Warhammer 40,000: Space Marine is a game set in the Games Workshop's science fiction universe of Warhammer 40,000. In this dark future, humanity faces extinction from horrific aliens and demonic hordes. Players play as one of the superhuman Space Marines who are humanity's only hope for salvation. The game features intense Action-RPG battles where players take direct control of the Space Marine to fight against these powerful enemies. With only war in the grim darkness of the far future, it will be up to you to save humanity!

Halo 3: ODST is a video game that returns players to familiar ground on a vital, top-secret mission. The story follows the legendary Orbital Drop Shock Troopers (ODST) as they drop into the ruined city of New Mombasa in search for clues behind the Covenant's devastating attack. Players take control of new characters and get to experience their courage and valor first hand while trying to uncover the truth. Halo 3 multiplayer features will also be included such as full integration with Forge map editor.

Quake 4 is a first-person shooter video game developed by id Software and published by Activision. Players take on the role of Matthew Kane, an elite member of Rhino Squad and Earth's invasion force to defeat the alien Strogg race. The game utilizes id Software's revolutionary DOOM 3 technology, allowing players to battle alone or with their squad in hover tanks and mechanized walkers. As they progress through missions, players will eventually be captured and turned into a Strogg themselves with enhanced abilities that allow them to turn the tide of war against them.

Warhammer 40,000: Dawn of War – Winter Assault is an expansion pack to the award-winning RTS game. It focuses on a powerful Emperor Class Titan that lies amongst the ruins of a leveled city. Whoever controls it has the power to either destroy or defend a world. The Imperials will summon it to fight against evil, Chaos will corrupt it for their own gain, Orks seek to destroy it in battle and Eldar ignore its existence out of arrogance. This expansion pack builds upon the intense frontline battlefield experience and promises to be one of the biggest ever released.

Starbound is an action-adventure video game where players take on the role of a character who has just fled their home planet. Upon crash-landing, they must embark on a quest to survive, discover and explore an infinite universe while also fighting off hostile creatures. Players can customize their characters, build structures and terraform planets as they make their way across the galaxy. The game features procedurally generated environments that are filled with various items and NPCs to interact with. With its vibrant graphics, deep crafting system and huge scope for exploration, Starbound offers hours of fun in space.

Space Hulk is a 3D digital turn based strategy game set in the Warhammer 40,000 universe. It recreates the classic claustrophobic board game experience for single player and multiplayer across multiple platforms. The game takes place on an ancient vessel lost in space where players take control of a small army of Space Marine Terminators who must battle hordes of alien Genestealers to survive.

In Warhammer 40,000: Fire Warrior, players take on the role of Kais, a young Tau warrior who must battle alone against the Imperium of Man. Set in the grim future of the 41st Millennium, Kais finds himself thrust into an ongoing war across a million different worlds and powerful armies. He soon learns that there is a darker foe at hand as he navigates mechanical war machines, crushing artillery and vast starships while uncovering a frightening story. Players will be challenged to use their skills as they fight for survival throughout this thrilling single player action game from THQ.

Aliens vs. Predator is a video game developed by Rebellion, the same team responsible for the popular 1999 PC classic. In this thrilling and action-packed title, players can choose to take on the roles of Colonial Marines, Predators or Aliens in a unique three-way online multiplayer experience. Each race also has its own single-player campaign mode with storylines that intertwine with each other's paths. The game takes place on planet BG-386 where a human colonist mining group discovers an ancient pyramid containing a sinister secret which awakens nature's deadliest species from centuries of hibernation. Players must do battle as one of these species to survive and be crowned the deadliest creature in the galaxy. As the Colonial Marine, they must fight against all odds using deadly firepower; as Alien they discover what it's like to be feared by others; and as Predator they use exotic weaponry to ambush prey from shadows before going in for trophy kills.

Halo: Spartan Strike is a top-down shooter video game set in the Halo universe. Players take on the role of a Spartan, who must battle their way through enemy territory while completing various missions and objectives. The game features fast-paced action and intense combat, with an arsenal of weapons at your disposal as you fight against Covenant forces to save humanity. With stunning visuals, engaging gameplay and an abundance of content, Halo: Spartan Strike is sure to provide hours of enjoyment for fans of the popular franchise.

Warhammer 40,000: Dawn of War - Soulstorm is a video game set in Games Workshop's dark and futuristic fantasy universe. The game features nine playable races, including two all-new armies – the malicious Dark Eldar – and introduces air units for the first time. With multiplayer medals adding an extra layer of depth to online battles, players can also engage in interplanetary warfare across an entire star system with its revolutionary meta-game.

Turok is a classic video game that was first released in 1997 and has been restored with improved visuals and features. Players take on the role of Turok, a time traveling warrior who finds himself in an ancient world full of conflict. In this savage land, there are deadly enemies, traps, puzzles and weapons to discover as you explore its vast 3D environment. With no time limits or bounds of evil to restrict you, the adventure awaits!

Unreal II: The Awakening is a science fiction first-person shooter video game released by Infogrames. You take on the role of a Terran Colonial Authority Marshall who finds themselves in the middle of an interstellar war as rival factions battle for powerful and ancient alien artifacts. Your mission is to locate these artifacts, discover their purpose and restore order to the sector before it's too late. Along the way you will have help from your three crew members as you explore various planets, fight hostile aliens and complete puzzles.

Enemy Territory: Quake Wars is an epic online strategic shooter that pits the armies of Earth against invading aliens, the Strogg. Players can choose to battle as one of five unique classes in either the EDF or Strogg armies, each outfitted with specialist weapons and combat hardware. Both sides have access to over 40 conventional and futuristic vehicles as well as deployable structures such as quad-bikes, tanks and alien walkers for ground assaults; or helicopters and anti-gravity ships to lend firepower from the air. Teams establish bases, deploy defense systems into enemy territory while constructing obstacles to gain a tactical advantage over their opponents. Through multi-battle campaigns players strive not only for victory but also gain valuable skills and special rewards for team play along with persistent military promotions and medals.

Halo: Spartan Assault is a top-down action shooter available only for Windows 8 and Windows Phone 8, developed by 343 Industries in conjunction with Vanguard Games. Set between the events of Halo 3 and 4, it explores the story of Human-Covenant wars through Commander Sarah Palmer or Spartan Davis stationed aboard the UNSC Infinity. Players can expect an immersive experience with rich storytelling, intuitive controls, best-in-class audio and graphics that bring to life the epic scale and action of the Halo universe on mobile devices.

Warhammer 40,000: Eternal Crusade is a video game set in the Warhammer 40,000 universe. Players must choose one of four factions - Space Marines, Chaos Space Marines, Orks and Eldar - and work together to defeat their enemies. The game features a persistent world with ongoing battles between players and various enemy forces. There are campaign missions as well as PvP (player-versus-player) combat options for those looking for more intense action. With its rich background lore and intense combat mechanics, Warhammer 40,000: Eternal Crusade promises an exciting experience for fans of the franchise!

Eat Lead: The Return of Matt Hazard is an action-adventure video game that follows the story of videogame hero Matt Hazard. Marathon Megasoft, a mega game publisher, has given him his chance to make a comeback by starring in a new title for next-gen consoles. However, it soon becomes clear that someone is using this game as an attempt to bring about Matt's death once and for all. With the help of QA, he must battle against various enemies from Marathon Megasoft catalogue such as zombies, space marines, cowboys and more in order to keep himself alive. Players can use explosive artillery and combat moves alongside point & cover system (a strategic cover system), upgradeable weapons and interactive melee moves to outsmart foes. Throughout the adventure they will also experience hack effects which alter the game's code on the fly while changing environments during gameplay.

Breed is a video game set in the year 2610, where Earth has been invaded by an alien race known as the Breed. The player takes command of humankind's lone surviving battleship and must search for any humans who may have survived the invasion. Using wits and cunning to organize resistance against their oppressors, players must discover their weaknesses and fight back without mercy in order to annihilate the Breed.

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!