Mrs. Mop is full-information Spider at two-deck scale.
All 104 cards are visible from the start and there is no stock to rescue weak planning. Wins come from disciplined suit routing, deliberate space creation, and choosing an order that makes later runs easier instead of merely legal.
Last updated: May 2026
History and background
Mrs. Mop is described in-site as a fully open two-deck Spider relative. It shares Spider’s completion objective and suit-run emphasis, but removes hidden information entirely. This positions it closer in spirit to Simple Simon, while keeping the full two-deck length and density that make Spider-family planning demanding.
The result is a long-form logic puzzle. There is no stock timing and no draw uncertainty, so your main edge comes from choosing a sustainable reorganization order across thirteen columns rather than chasing short tactical gains.
How the game is set up
The game page defines a complete-information two-deck layout:
- Tableau. All 104 cards are dealt face-up across thirteen columns.
- No stock. There is no incoming card stream, so the board only changes through your own moves.
- Building and movement. Cards build downward by rank, and same-suit descending groups are the clean movement/completion units.
- Completion. Same-suit King-through-Ace runs are removed from play.
- Goal. Complete all required runs for the two-deck deal.
The core mechanic is long-horizon space conversion
In Mrs. Mop, empty columns are not created by luck or stock timing; they are engineered. Clearing one column can unlock a sequence of decompositions that clears two more, which in turn enables large suit reassembly. The game rewards these compounding conversions.
Because everything is visible, you can forecast which columns are viable candidates for early clearance and which are carrying critical suit fragments that should not be disturbed yet. Efficient players spend moves to improve future geometry, not only to make immediate legal transfers.
Mrs. Mop is won by turning static information into dynamic workspace. Empty columns are how you transform visible chaos into removable runs.
Strategic priorities in order
- Plan target suit routes at the start. Decide which columns likely carry each run segment and where blockers must be moved.
- Create one empty column with purpose. Do not clear randomly; clear where the new space can immediately decompose mixed congestion.
- Preserve suit continuity. Mixed placements are temporary tools and should be tied to a known cleanup sequence.
- Use open information to batch moves.Commit to 3–5 move branches that reduce total board complexity.
- Balance progress across runs. Overfeeding one run while others clog can starve your future workspace options.
Decision walkthroughs
Immediate run gain versus column clearance
You can extend a nearly complete suit run now, or move cards that would clear a new empty column in two turns.
Often take the clearance line first. A new column can improve multiple run pipelines, while one run extension may only score locally.
Deep mixed stack temptation
A long legal transfer builds a dramatic mixed tower and seems to simplify the surface.
Reject unless you can name the unwind steps. In no-stock games, unresolved mixed towers persist and can become the exact bottleneck that blocks final run assembly.
Competing decompositions
Two decomposition lines are available: one frees a high card quickly, the other aligns a full suit lane with fewer cross-suit dependencies.
Favor the dependency-reducing line. Mrs. Mop endgames are won by low-friction lanes, not by isolated rank promotions.
Common mistakes
- Playing it like stock-based Spider. Without incoming cards, there is no reason to force tempo over structure.
- Ignoring empty-column opportunities. Space creation is often the move that unlocks later removals.
- Letting mixed scaffolds harden. Temporary stacks must be retired before they dominate column capacity.
- Under-planning branch order. Visible information is only useful if you use it to choose the right sequence, not just any sequence.
Recognizing a losing position early
The board is usually collapsing when:
- Empty columns exist but each is consumed by low-value parking rather than decomposition.
- Suit runs are partially built yet blocked by recurring mixed dependencies that you have not reduced across several turns.
- Legal moves remain plentiful, but none decreases total blockers or creates cleaner lanes.
Backtrack to the last point where you chose between immediate progress and workspace creation. In Mrs. Mop, the workspace-first choice is frequently the winning branch.