Pillarboxed

The Tiny Bang Story is set in a fictitious world that is hit by an asteroid, leaving you to literally pick up the pieces and put it back together. Over several chapters, you need to rebuild machines and solve puzzles to find all the pieces you need to rebuild the world.

Runespell: Overture is a card-playing game with impressive graphics and fantastic music. The card game is called Mythic Poker, and using the same card layout as Solitaire and the same hands as poker. Different poker hands are worth different values. Once a hand has been assembled, the player can use it to attack the opponent, with the poker score coming off the opponent as damage.

Botanicula is a point-and-click adventure game developed by Amanita Design. I'm not even convinced it's a game. It's definitely point and click, and it might be an adventure, but game I am not convinced about. You click on random things until something happens, and then you ask 'was that actually what I wanted to happen?' before realizing that no, you still don't know what the point of all this even is.

On a bright note, wikipedia says that Botanicula is helping the World Land Trust to protect hundreds of acres of rainforest.

Cave Story platform-adventure video game released in 2004 for the PC. It was developed, designed, and programmed over five years by Daisuke "Pixel" Amaya in his free time. Cave Story features 2D platform mechanics and is intended as an homage to the classic games that the author played in his youth, such as Metroid, Blaster Master, and Castlevania.

From the art and stories of famed graphic novelist and filmmaker Enki Bilal, and the studio created by adventure game legend Benoit Sokal comes Nikopol: Secrets of the Immortals.

Set in France in the year 2023, the country is governed by a dictator who rules by religious absolute power. A mysterious ship shaped like a pyramid has just appeared in the sky and sent representatives to speak with the French government.

As Nikopol, you will find yourself in a suspenseful adventure to find your father and thwart a dangerous conspiracy. Entangled in political intrigue you're caught between two worlds, one of anarchy and one of immortality.

When Isaac’s mother starts hearing the voice of God demanding a sacrifice be made to prove her faith, Isaac escapes into the basement facing droves of deranged enemies, lost brothers and sisters, his fears, and eventually his mother.

SOL: Exodus is a space combat simulator running on the UE3 engine and set in the year 2500, Earth has become toxic and unsafe for human life after years of pollution and overpopulation. Humanity has turned to the stars and colonies and settlements soon sprung up across the solar system, but man had not left its thirst for war behind. Then, they learned their sun was dying, and everything changed.

You take the role of a Lieutenant Commander who is a fighter pilot and 2nd in command of the UCS Atlas, you are tasked with searching for a new home, and saving humanity from a fiery end.

Black Ops is a first-person shooter, retaining the same gameplay mechanics as previous Call of Duty titles. The player assumes the role of a foot soldier who can wield various firearms (only two of which can be carried at once), throw grenades and other explosives, and use other equipment as weapons. A player close enough to an enemy can kill with one knife blow. A character can take three stances: standing, crouching or prone. Each affects rate of movement, accuracy, and stealth.