ace (a set of Unix/X solitaire games) The Ace of Penguins is a set of Unix/X solitaire games based on the ones available for Windows(tm) but with a number of enhancements. The latest version includes clones of freecell, golf, mastermind, merlin, minesweeper, pegged, solitaire, taipei (with editor) and thornq. The executables are installed with -ace suffix, e.g. solitaire-ace. This is to avoid conflicting with Slackware's bsd-games and xgames packages. While any of the games are running, press H for help, or Q to exit.