Games
When people think of the words “video games,” a variety of images and concepts could potentially come to mind, all of them (well, okay, most of them) valid. There are several completely different “genres” of video games, from the worldwide hits in the first person shooter genre such as Call of Duty, to the more intricate and hardcore games in the role playing game genre, such as Final Fantasy and The Elder Scrolls.
Most popular apps

Minecraft
Venture into endless 3D worlds where creativity meets exploration and survival. Craft, build, and explore to your heart’s content against ongoing challenges.
Playnite
Video game library manager and launcher with support for 3rd party libraries like Steam, GOG, Origin and Uplay, providing one unified interface for your games.

Luanti (formerly Minetest)
Luanti is a near-infinite-world block sandbox game and a game engine, inspired by InfiniMiner, Minecraft, and the like.

0 A.D.
0 A.D. is a free, open-source, cross-platform real-time strategy (RTS) game of ancient warfare. In short, it is a historically-based war/economy game that allows players to relive or rewrite the history of Western civilizations, focusing on the years between 500 B.C. and 500 A.D.

Portal
Portal™ is a puzzle game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative games on the horizon and will offer gamers hours of unique gameplay.

Humble Bundle
Buy a bundle of games, you decide the price, and support charity in the process.

Lichess
Lichess is the most complete chess experience, with a simple interface that focuses on the game, a massive array of game related tools and a huge, worldwide community.

Retrom
Centralized game library management service, enabling clients to install games across platforms with web access, emulator profiles, and metadata support.