San Marino

Object
To discard all the cards in pairs.

Rules
- 16 piles arranged in a 4x4 square - discard pairs of cards of the same rank that are on the same line horizontally or vertically (to discard a pair, drop one of the cards on the other).
- stock (left, face down) - condenses the whole tableau and deals 1 card to each empty tableau by clicking.

Marriages

Object
To discard all the cards in pairs.

Rules
- 16 piles arranged in a 4x4 square - discard pairs of cards of the same rank that are adjacent horizontally, vertically or diagonally (to discard a pair, drop one of the cards on the other).
- stock (left, face down) - condenses the whole tableau and deals 1 card to each empty tableau by clicking.

Monte Carlo

Object
To discard all the cards in pairs.

Rules
- 25 piles arranged in a 5x5 square - discard pairs of cards of the same rank that are adjacent to each other, either horizontally, vertically, or diagonally.
- Fill cell - when all available pairs are discarded, clicking the fill cell moves the remaining cards up and deals new cards to the empty piles.

More Info
Monte Carlo Tips

Sixteens

Object
To discard all the cards in pairs.

Rules
- 20 piles arranged in a 5x4 rectangle - discard pairs of cards that add to 16 that are adjacent to each other, either horizontally, vertically, or diagonally (to discard a pair, drop one of the cards on the other). Discard Aces and Twos in a pair of one Ace and one Two.

Fourteens

Object
To discard all the cards in pairs.

Rules
- 25 piles arranged in a 5x5 square - discard pairs of cards that add to 14, if they are in the same row or column. For example, a King and an Ace, a Queen and a 2, or an 8 and a 6. To remove a pair, pick up one card and drop it on the other. Spaces are filled automatically from the stock. At the start of the game 1 card is dealt to each pile.
- Fill cell - when all available pairs have been discarded and the stock is empty, clicking the fill cell fills spaces from left to right in the top row with cards taken from right to left from the bottom row.