Tetris is a game from 1984 that consist in to fill lines with pieces that fall frequently over time.
To install SFML visit following website SFML
To build it's very easy, you just need to take this steps:
Clone the repository and enter:
$ git clone https://github.com/Bierc/Tetris
$ cd Tetris
Then you need to "make" the files and run the executable.
$ make all
$ ./executable
have fun! :p