CozyWorld game guide · By CozyWorld
This guide covers our own game, written from the current game rules and browser checks.
Book Nook Shuffle: How to Sort the Shelves in Fewer Turns
Four books move together. The interesting part is deciding which shelf can get a little messier before the whole bookcase comes right.
Book Nook Shuffle is our small bookshelf sorting puzzle. Turn a two-by-two group of books until the top shelf holds Fern books, the middle holds Sun books, and the bottom holds Berry books. Each turn changes four positions together. You cannot move a single book directly to an empty space, and a completed shelf does not lock. That makes the whole bookcase your puzzle.

Your first turn
Below or beside the bookcase are six miniature shelf maps. Upper left selects the first two columns of the upper two shelves. Lower right selects the last two columns of the lower two shelves. The cream outline on the board shows exactly which four books will move. Choosing a block does not cost a turn.
Choose Turn right to move those four books clockwise, or Turn left to move them counterclockwise. The books remain upright; their positions change. Sort all twelve books onto their named shelves to finish. Book names and leaf, sun, and berry symbols give the same information as the colors.

Follow all four books around the square
Imagine the selected square has Fern at top left, Sun at top right, Berry at bottom left, and Fern at bottom right. Turn right moves Fern to top right, Sun to bottom right, the other Fern to bottom left, and Berry to top left. The new top pair is Berry, Fern; the new bottom pair is Fern, Sun.
Turn left from that new arrangement restores the original square. Pressing both directions counts as two turns. Undo instead restores the previous board and removes the last turn from your count. If all four selected books are identical, turning changes nothing and does not add a turn.
Targets, points, and finishing a trio
A trio has three puzzles with minimum-turn targets of 3, 5, and 7. These are verified shortest solutions for the fixed layouts, not countdowns or limits. You may take as many turns as you need.
Finish at the target for 100 points and 3 ribbons. Each extra retained turn reduces the score by 5, with a floor of 10 points. Finish within four turns above target for 2 ribbons; take more for 1. For example, solving the five-turn puzzle in seven turns earns 90 points and 2 ribbons: 100 minus two extra turns times 5.
Next puzzle adds the result to the trio. After puzzle three, the result shows your total out of 300 points and 9 ribbons. Retry this puzzle replaces that puzzle’s result, preserving completed earlier puzzles. New trio clears the total and changes all three layouts. The bank has eight layouts at each difficulty, so older layouts can return on later trios.

Four useful ways to plan
1. Trace the whole square. Before turning, name where each of its four books will land. One correct landing can hide three unhelpful ones. The selected outline stays visible while you think.
2. Compare both directions. Turning left and right produces different arrangements. Try one, inspect the consequence, and use Undo if it does not fit your plan. Undo is free, so experimenting need not inflate the final score.
3. Treat Home as feedback, not a rule. That count tells you how many books currently match their shelf. Some layouts cannot be solved by increasing Home on every turn. A turn that leaves the count unchanged can still move books into more useful columns. A finished row may need to lend books to another row before both can be restored.
4. Use a retry to shorten a known route. Reset puzzle returns to exactly the same layout, and earlier puzzle results remain intact. Once you have found a solution, look for opposite turns you can remove or a block that could have moved two useful books together.
Controls, breaks, and what is saved
Click or tap the block and turn buttons on desktop, tablet, or phone. On a narrow phone the controls sit below the board, so normal page scrolling remains available. Keyboard play uses Tab followed by Enter or Space. The shared toolbar provides instructions, pause, sound, restart, and fullscreen. Reduced-motion preferences remove the brief selection effect.
A trio is intended for roughly 3–8 minutes, though searching for a solution can take longer. There is no ticking clock, failure screen, or turn cap. Pause whenever you like. The game does not save a run or high score: keep the tab open to continue, and expect a new trio after reloading or closing. Toolbar restart starts a new trio rather than resetting only one puzzle.
Another bookcase, or another kind of sorting?
Choose New trio for different layouts, or retry the current puzzle while your last approach is fresh. A satisfying next goal is one fewer retained turn, even when the minimum is still a little way off.