Genre: Puzzle; Licence: GNU GPL

>> Hangman

Genre: Puzzle
Presentation: Graphics
Developed by: Mateusz Viste

Licence: GNU GPL
Released: 2005

>> Piskworks

Genre: Puzzle
Presentation: Textmode
Developed by: berk

Licence: GNU GPL
Released: 2016

>> Ptakovina

Genre: Puzzle
Presentation: Textmode
Developed by: berk

Licence: GNU GPL
Released: 2017

>> Tetris

Genre: Puzzle
Presentation: Graphics
Developed by: Kris Cieslak

Licence: GNU GPL
Released: 2004

>> Towers of Hanoi / Torri di Hanoi

Genre: Puzzle
Presentation: Textmode
Developed by: Francesco Sblendorio

Licence: GNU GPL
Released: 2015