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.

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.

Tribes: Ascend is an online multiplayer shooter that brings together classic Tribes elements such as jetpack enabled combat, skiing, vehicles and teamwork. It provides players with a fast-paced and intense gaming experience that requires quick reflexes combined with strategic planning. In addition to the traditional shooter gameplay, it also offers unique features such as skiing which can be used to traverse terrain quickly or launch surprise attacks on opponents. Vehicles are also available for traversing large maps or engaging in battles between teams of players. Overall, the game combines classic Tribes elements with modern shooter mechanics to provide an exciting and challenging experience for gamers of all levels.

Halo 5: Guardians is a science-fiction first-person shooter video game set in the year 2558, where human colonies across the galaxy have been unexpectedly attacked. To make matters worse, humanity's greatest hero and legendary Spartan warrior - Master Chief - has gone missing. It is now up to a new Spartan to hunt down Master Chief and uncover an unknown mystery that threatens all of mankind.

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.