Black Cat Book Club is single-player only. The Steam store page lists Singleplayer among the tags, and the developer has not announced co-op or online multiplayer as of 2026-09-25.

Single-player only

The Steam store page lists Singleplayer among the tags for Black Cat Book Club, and the Steam features panel does not include co-op or multiplayer entries. The cat-and-library loop is designed around a single player's pace.

Future multiplayer

Idea Garden Games has not announced co-op, online multiplayer, or PvP as of 2026-09-25. Any future addition would surface through a Steam store description change or a developer social channel announcement.