Semicolon LLC is a software and entertainment company focused on games and creative tools for Mac, iPad, and iPhone. Its products combine classic game experiences with practical features for players and designers.

Solitaire Till Dawn offers more than 100 solitaire and patience games, continuing a series first released for the Macintosh in 1991. Available for modern Macs and iPads, it includes multiple card designs, smart card controls, undo snapshots, game recommendations, statistics, rules, and illustrated help.

Scarab of Ra revives a pyramid-exploration game originally released for the Macintosh in 1987. The updated edition preserves the original black-and-white artwork while adding optional features, automatic mapping, hints, and adjustable hazards.

For tabletop creators, Multideck is a macOS tool for designing and printing custom cards for game prototypes. It supports flexible layouts, rich text, two-sided cards, PDF printing, and image export. Tuckboxer helps users create printable, custom-sized packaging for card or tile decks, with options for colors, images, and captions. Together, Semicolon LLC’s offerings serve casual game players and tabletop designers.