Setup and opening position
Seventeen cards are dealt across four rows, one exposed card seeds the first of four foundations, and the remainder forms stock and waste.
Osmosis
Move all fifty-two cards to the four foundations under the rank-permeation rule.
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How to play
Move all fifty-two cards to the four foundations under the rank-permeation rule.
- Seventeen cards are dealt across four rows, one exposed card seeds the first of four foundations, and the remainder forms stock and waste.
- The first foundation builds upward in its seed suit. An empty later foundation accepts a rank only after that rank appears in the preceding foundation; each pile then continues upward in its own suit.
- Move all fifty-two cards to the four foundations under the rank-permeation rule.
Strategy tips
- Advance the first foundation enough to authorize useful opening ranks in later piles, but do not race past ranks still buried in rows.
- A card matching a later foundation's suit is not automatically legal; its rank must first have appeared in the foundation to the left.
- Work left to right, using each completed rank layer to unlock the same rank in the next foundation.
Complete guide
Rules, scoring, and strategy
Osmosis is a complete browser implementation with its own versioned rules profile. Spread ranks from one seeded foundation to the next while each suit builds upward within its own pile.
Legal moves and game flow
The first foundation builds upward in its seed suit. An empty later foundation accepts a rank only after that rank appears in the preceding foundation; each pile then continues upward in its own suit.
Winning and terminal positions
Move all fifty-two cards to the four foundations under the rank-permeation rule. Work left to right, using each completed rank layer to unlock the same rank in the next foundation.
Practical strategy
Advance the first foundation enough to authorize useful opening ranks in later piles, but do not race past ranks still buried in rows. A card matching a later foundation's suit is not automatically legal; its rank must first have appeared in the foundation to the left.
Questions players ask
What is the objective in Osmosis?
Move all fifty-two cards to the four foundations under the rank-permeation rule.
Which moves are legal in Osmosis?
The first foundation builds upward in its seed suit. An empty later foundation accepts a rank only after that rank appears in the preceding foundation; each pile then continues upward in its own suit.
What should I plan first in Osmosis?
Advance the first foundation enough to authorize useful opening ranks in later piles, but do not race past ranks still buried in rows.