Client for playing 300 publicly available Sokoban puzzles on a computer or phone.

gracefully handle a non-existent filename at the commandline

Created by  Kartik K. Agaram  on May 16, 2022
EDY3RQULZEP23VIC6CSNJ5MSQNIIAABEHLFPCH7LDONX2I6FSTQQC
Change contents