About Zero21 Solitaire
Zero21 Solitaire reimagines the classic card game with a mathematical twist. Draw cards and add their values to a running total, trying to keep it between zero and twenty-one. Strategic thinking is essential as you decide when to play high versus low cards. Multiple difficulty modes and daily challenges test different aspects of your number sense.
How to get started
Select Play, review the external provider notice and load the game. Follow the instructions shown inside the game for its specific mouse, keyboard or touch controls. Availability and performance depend on the provider and your device.
