Each pair is made up of one filled circle and one unfilled one. Connect them with horizontal or vertical lines, ensuring none of the lines cross.
You can Print out sheets of puzzles here or alternatively Play in your browser.

Fill the letters A to J into the grid so that no consecutive letters are beside each other, horizontally, vertically or diagonally.
You can Print out sheets of puzzles or alternatively, Play in your browser.

Over on Facebook, Graham Keith complained that the Kakuro puzzles weren't as authentic as they could be, so I hopped into the code and gave them a makeover.

You can now drag'n'drop the various games in Foldapuz!

Didn't attempt to do the drag'n'drop interface for Foldapuz, yesterday!

I shuffled around Foldapuz a bit, yesterday.

Placed your bets, then do the maths to find out which horse is faster.
The fastest horse wins.
But did you bet on the right one?!
You can Print Sheets of Puzzles, or alternatively Play in your browser.

One BIG task finally sorted.

Using a combination of logic and word prowess, try to place all the tiles into the grid to form a criss-cross set of words, so that the totals of each row and column are accurate.
You can Print sheets of puzzles, or alternatively Play in your browser.

Each face has a specific value. Use the totals on the edge to help determine what each face is worth.
You can Print out sheets of puzzles, or alternatively Play in your browser.

There are eight stars in the sky, and eight blocks. Stars shine vertically and horizontally, with their star power adding together. Blocks stop the light from going any further.
Use the light values to help decide where the stars are in the sky.
You can Print out sheets of puzzles, or alternatively Play in your browser.

The three columns of a grid are supposed to add up to the same total, but two of the numbers have been swapped. Figure out which numbers are in the wrong places.
You can Print puzzles here or alternatively Play in your browser on Desktop, Mobile or Tablet.

Fill the grid up with chips, of value 5, 10 or 25, so that the side totals are all accurate.
You can Print out a sheet of puzzles or alternatively, Play in your Browser.

Fill in the circles so that each bordered area contains one solid circle, and there are no cases of Three-In-A-Row, horizontally, vertically or diagonally.
You can Print pages of the puzzles here, or alternatively, Play it in your browser.

The twelve bubbles should contain all of the numbers 1 to 12, so that each side of the triangle adds up to the number in the middle.
You can Print pages of the puzzle, or alternatively Play it in your browser.

Each letter has a unique value, 1 to 7.
Use the maths equations at the bottom of the page to help cross off the values of each letter.

You can play Blockman On Ice in the Browsercade, already, but I've not done my screenshots, icons, etc yet.