A test subject wakes up in a scientific facility controlled by a sadistic artificial intelligence and must escape with the help of the only instrument she has--a gun that makes portals. (imdb)

Tetris (In Russian: Тетрис) is a puzzle video game originally designed and programmed by Alexey Pajitnov in the Soviet Union. It was released on June 6, 1984, while he was working for the Dorodnicyn Computing Centre of the Academy of Science of the USSR in Moscow, Russian Soviet Federative Socialist Republic. He derived its name from the Greek numerical prefix tetra- (all of the game's pieces contain four segments) and tennis, Pajitnov's favorite sport. (TheGamesDB)

Half-Life is a first-person shooter that requires the player to perform combat tasks and puzzle solving to advance through the game. Unlike most of its peers at the time, Half-Life used scripted sequences, such as a Vortigaunt ramming down a door, to advance major plot points. (Wikipedia)

Bethesda Game Studios, the award-winning creators of Fallout 3 and The Elder Scrolls V: Skyrim, welcome you to the world of Fallout 4 - their most ambitious game ever, and the next generation of open-world gaming. As the sole survivor of Vault 111, you enter a world destroyed by nuclear war. Every second is a fight for survival, and every choice is yours. Only you can rebuild and determine the fate of the Wasteland. Welcome home.

Based on the DC Comics superhero Batman, and written by veteran Batman writer Paul Dini, Arkham Asylum is inspired by the long-running comic book mythos. In the game's main storyline, Batman's archenemy, the Joker, instigates an elaborate plot to seize control of Arkham Asylum and trap Batman inside with many of his incarcerated foes. (wikipedia.org)

Imagine it, and you can build it! Create your very own game world and explore, build and conquer. When night falls the monsters appear, so ensure you've made yourself a shelter before they arrive. Make it through the night and the world is only limited by your imagination you choose what you want to make or what to do.

In Super Mario Bros., the player takes on the role of the main protagonist of the series, Mario... The objective is to race through the Mushroom Kingdom, survive the main antagonist Bowser's forces, and save Princess Toadstool. The player moves from the left side of the screen to the right side in order to reach the flag pole at the end of each level. (wikipedia.org)

Become Ruler of the World by establishing and leading a civilization from the dawn of man into the space age: Wage war, conduct diplomacy, discover new technologies, go head-to-head with some of history's greatest leaders and build the most powerful empire the world has ever known.

The player creates virtual people called "Sims" and places them in houses and helps direct their moods and satisfy their desires. (wikipedia.org)

Super Mario Bros. 3 centers on plumbers Mario and Luigi who embark on a quest to save Princess Toadstool and the rulers of seven different kingdoms from the antagonist Bowser and his children, the Koopalings. (wikipedia.org)