
Crossover 21
Crossover 21 is a card-placement puzzle based on reaching a total of 21.
Play opens an independently hosted game. Its provider may use cookies or show ads. Privacy information
Get to know Crossover 21
Consider both crossing lines before placing a card.
What to work towards
Build useful totals without exceeding the limit.
Your starting point
Read the next card's value.
Read the current game’s instructions before you begin. Provider versions can change; this introduction is a starting point for your session.
How to play Crossover 21
- Read the next card's value.
- Choose a suitable row or column.
- Build useful totals without exceeding the limit.
Before you play
How do I start Crossover 21?
Choose Play Crossover 21 to open a full-window game page. That page starts the connection to the external provider. Use the floating Back button to return here. Follow the title screen’s instructions for the controls available in that version.
Can I play on a phone or computer?
Use a current browser. Many games support touch, mouse or keyboard, but compatibility depends on the provider’s build. If the game does not respond, check its own controls, try landscape mode or use a desktop browser.
Will my progress be saved?
Progress, when supported, is stored by the game provider. Saving this listing in MCDONALDSMENUUK only bookmarks the game in this browser. Clearing site data or using private browsing can affect local saves.
What if the game is unavailable?
Try reloading the game once or choose another title. External providers may change availability. Report a problem with this game





