Puzzle 1 - Numberlink Draw non-intersecting paths through the centers of some cells, each connecting one clue to an equal counterpart Solve on Puzz.Link https://tinyurl.com/2e44wjep
Puzzle 2 - Wittgenstein Briquet Locate some 1x3 blocks in the grid which may not overlap each other or the clues. A clue represents how many of the (up to) four surrounding cells are used by blocks. All cells which aren’t used by blocks must form one orthogonally connected area Solve on Penpa+ https://tinyurl.com/2p89jtbh
Puzzle 3 - Bonsan Move some circles so that the positions of the circles have 180° rotational symmetry in the entire grid. A circle may move only in one straight line vertically or horizontally. Circles’ paths may not cross each other, other circles, or other circles’ starting points. Circles containing clues must be moved exactly the indicated number of cells
Solve on Puzz.Link https://tinyurl.com/32zm9k5t
Puzzle 4 - One or All Place a number from 1 to 3 into each cell such that within each region, the cells either all contain the same number or all contain different numbers. Two cells containing the same number may not share a region border Solve on Penpa+ https://tinyurl.com/yvnfv65u
