Open Source C Games for BSD

Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc.

You command the forces of “The Project” in a battle to rebuild the world after mankind has almost been destroyed by nuclear missiles. The game offers a full campaign with optional (but strongly recommended!), videos, battle against four factions, multi-player and single-player skirmish modes, and an extensive tech tree and a full unit designer. Multi-player is also cross-platform, battle your friends with any OS, Windows, Linux or Mac, it all works seamlessly! We also offer 100% portable Windows builds, take the game and install it anywhere! Our source repo is now at https://github.com/Warzone2100/warzone2100 Warzone 2100 works on both 32 & 64 bit Windows 7 or higher, 32 or 64 bit Linux, & macOS 10.14+.

A touch typing tutor very flexible, supporting customizable keyboard layouts. You can edit and save new or unknown keyboard layouts, as the basic course was designed to not depend on specific ones. Also, there are some charts about the learning process.

"Tux, of Math Command" is a math drill game starring Tux, the Linux Penguin. Lessons are included from simple number typing through addition, subtraction, multiplication, and division of positive and negative numbers. It is intended for kids ~4-10.

0 A.D. (pronounced "zero ey-dee") is a cross-platform real-time strategy (RTS) game of ancient warfare. It's a historically-based war/economy game that allows players to relive or rewrite the history of ancient civilizations, each depicted at their peak of economic growth and military prowess.

Scidb is an open-source chess database application for Windows, Unix/Linux. It is a new development inspired by Scid.

Pioneers is an emulation of the board game The Settlers of Catan, which can be played over the internet.

A UNIX/Windows/Linux remake of the DOS-game "stunts", providing modern features like openGL graphics, 3D sound and internet multiplaying. Design your own tracks, choose your opponents and try the most spectacular stunts you've ever seen.

ChessDB is a free open-source chess database for Windows, Linux, Mac OSX and most UNIX and UNIX-like operating systems. ChessDB is based on code from Scid http://scid.sourceforge.net/ - a project for which there have been no updates for several years. In

Sudokuki is a free graphical SUDOKU game: Sudokuki solves even the most difficult sudoku grids for you - Generate a sudoku - Play sudoku - Print a sudoku... Available in 17 languages. Just download and play! You can also play with arabic or chinese numbers. Sudokuki is Free Software developed in Java. Have fun!

CTruck 2D is a 2D, oldstyle, physically realistic 2D truck game. Predecessor of the CTruck3D vehicle simulator series. I wrote it from zero in C (+OpenGL&GLUT). It has ascii-art and nice graphics version, and a special funny version It's a very basic thing: there are free rigid bodies and springs with strong attenuation/damping. It's very simple and very short code, and collisions of bodies with ground are good and stable. A good simulation of this kind, however requires Lagrangian method. I proposed the Lagrange_motocross as an alternative of this kind. The code is not much longer but the it's overall more complicated, and collisions are a bad issue.

Elite Zero is a simulation game in the broadest sense of the word. The aim is to simulate natural and economic processes while providing an enjoyable game. The idea comes from the "Elite" series by Ian Bell and David Braben.

The classic boggle game with i18n support.

Ganja Farmer - Shot soldiers before they destroy your herb field!

SSF aims at providing an easy to use and efficient framework for physics sim & visuals in small scientific simulations in real-time, as well as games, which are inherently real-time applications.