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Foundation cards stay on their stacks; use Undo to reverse a placement. Auto solve searches from cards you have seen, plays one action at a time, and stops if its limited search finds no progress. You can stop it at any time.
Select a face-up card, then choose a destination. Use the buttons to draw or undo.
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Research objectives change solver decisions, not this game's payout. Payout-aware solvers use Undo and support up to 128 imagined arrangements.
Visible mode remembers cards seen during this page visit, including manual play and Undo. Stop/start and changing settings preserve that memory; reload clears it. This experiment limits solver knowledge; the prototype still sends all card faces to the browser. Stock traversal v14 searches through remembered draws and recycles without spending strategic depth. Every executed action still counts toward the action limit. Experimental v15 ranks routes using imagined hidden arrangements; it never reads actual unseen faces. Sampling uses a fixed independent seed of 1729.
To try a solvable hand, end this round and select Solvable demo hand in Adjust Wager.
Saves a JSON text file to share with the developer. Includes revealed cards, recent actions and the latest Auto Solve run from this page visit. Reload clears the recording. Prototype game snapshots include all 52 faces; visible-solver decision inputs include only its remembered faces. No login data is included. Nothing is uploaded. Avoid personal information in your description.
Each mode has its own practice balance and saved hand.
Added delay: Normal 0 ms; Slow 250 ms; Unstable 250 ± 200 ms. Resets on reload or mode change.
Redeal wagering is undecided and not implemented. Prototype wallet and session authentication are not production payment infrastructure.