Setup and opening position
Sixteen tableau positions receive one exposed card each, thirty-six cards remain in stock for automatic refills, and one multi-card builder cell begins empty.
Fifteens
Discard all fifty-two cards in verified fifteen-total groups or complete four-card high-rank sets.
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How to play
Discard all fifty-two cards in verified fifteen-total groups or complete four-card high-rank sets.
- Sixteen tableau positions receive one exposed card each, thirty-six cards remain in stock for automatic refills, and one multi-card builder cell begins empty.
- Remove two exposed ranks Nine or lower when they total fifteen, or move exposed cards into the builder. A low-card builder group auto-discards when its total reaches fifteen; a high-card group must contain one each of Ten, Jack, Queen, and King. Cleared tableau positions refill from stock after a completed removal.
- Discard all fifty-two cards in verified fifteen-total groups or complete four-card high-rank sets.
Strategy tips
- Compare direct pairs with multi-card combinations before spending a scarce rank, and leave low subtotals flexible enough to accept more than one possible exposed card.
- Low cards and picture cards cannot share the builder, duplicate high ranks are illegal, and a low subtotal above fifteen can never be corrected.
- When stock runs low, inventory the remaining ranks before completing a group so every exposed card still belongs to a feasible fifteen or high quartet.
Complete guide
Rules, scoring, and strategy
Fifteens is a complete browser implementation with its own versioned rules profile. Clear a sixteen-position layout by removing low-rank totals of fifteen and complete Ten-through-King groups from a shared builder cell.
Legal moves and game flow
Remove two exposed ranks Nine or lower when they total fifteen, or move exposed cards into the builder. A low-card builder group auto-discards when its total reaches fifteen; a high-card group must contain one each of Ten, Jack, Queen, and King. Cleared tableau positions refill from stock after a completed removal.
Winning and terminal positions
Discard all fifty-two cards in verified fifteen-total groups or complete four-card high-rank sets. When stock runs low, inventory the remaining ranks before completing a group so every exposed card still belongs to a feasible fifteen or high quartet.
Practical strategy
Compare direct pairs with multi-card combinations before spending a scarce rank, and leave low subtotals flexible enough to accept more than one possible exposed card. Low cards and picture cards cannot share the builder, duplicate high ranks are illegal, and a low subtotal above fifteen can never be corrected.
Questions players ask
What is the objective in Fifteens?
Discard all fifty-two cards in verified fifteen-total groups or complete four-card high-rank sets.
Which moves are legal in Fifteens?
Remove two exposed ranks Nine or lower when they total fifteen, or move exposed cards into the builder. A low-card builder group auto-discards when its total reaches fifteen; a high-card group must contain one each of Ten, Jack, Queen, and King. Cleared tableau positions refill from stock after a completed removal.
What should I plan first in Fifteens?
Compare direct pairs with multi-card combinations before spending a scarce rank, and leave low subtotals flexible enough to accept more than one possible exposed card.