In the past I had a look at 17 free games available for Linux, overviewed here and here. In this article I will have a look at five more completely free and open-source games available to install in any distribution out there.
Being a strategy game, Widelands is similar to Settlers. You have access to resources and can build structures, develop an economy and explore the land around you on your way to build your empire.
Micropolis is a small city-building game, allowing you to create residential or industrial areas, set taxes, build roads, transportation facilities.
Pioneer is a space simulation, 3D game. The latest version was released on April 4 this year.
Funny Boat is a simple 2D side-scrolling boat where all you have to do is drive a boat and shoot the sharks that attack you.
Linux benefits from a great number of various clones of Tetris, both classic and 3D variations. BlockOut 2 is a free 3D Tetris-like game, being inspired from the original BlockOut game for DOS. BlockOut 2 has graphics and sound options, high-scores, practice mode, online high-scores.