Fill the grid with the letters laid out below.
Each six letters is a complete word. Unscramble the words, then find their correct places on the grid.

Fire your 6 missiles at the planets, and earn a highscore!

Within four moves, try to reach the target value, by moving through the grid to adjacent squares.

Shoot the Barrels. Save the World.

Each row and column should contain the numbers 1 to 5. The arrows show a point where one number is larger than an adjacent number.
Use the arrows to help guide you in placing the numbers within the grid.

Using only the numbers 1 through 9, fill out the grid so that each of the triangular figures displays the total on the adjacent squares in the direction given.

Draw borders within the grid, wrapping one of each of the five icons within each loop.

A single continuous loop has been created. Use the numbers in the grid to help you reconstruct the loop.
The numbers in the grid tell you how many of that square's edges contain part of the loop.

The product of each row and column is shown. Try to figure out which of the numbers in the grid shouldn't be there, and erase them.

Use the movement ranges of all of your pieces on the board, to track down the one single square in which the opponent's King is hiding.

Place a series of brackets across the equation such that the result makes sense.

Try to create links between all the pairs of lettered squares, without crossing onto the squares of any of the other links along the way.

Place a word onto the board which scores you the exact same as the target score.

Fill the grid with the letters from the chosen word, ensuring each row, column and bordered cluster contains all five letters from the word.

Find a path between the Start and End points which steps onto alternate coloured squares along the way.

Place the remaining queens onto the board, so that they don't end up in the same row, column, or diagonal as any of the other pieces.

Fill the grid with X's and O's without connecting a line of four.
Each row and column should have 3 of each symbol.

Find complete words within the grid which use adjacent letters.

Use your knowledge of Trigonometry to find the values of all the sides and angles of the critical triangle.

Complete the grid using the letters provided, so that each row and column contains a valid three letter word.

Try to find the position of the enemy fleet using the values laid out on the edges of the grid.

Guide Platdude through the various levels, as his continuing quest for the Spheres continues.

Move one digit from one of the two numbers, over to the other, so that the result of the sum is correct.

Using the values and sums given, can you find the given values of A, B and C?

Exchanging one letter at a time, can you find your way between the two ends of the ladder?

Fill in the grid such that no row or column contain duplicates of the numbers 1 through 9.
In addition, each of the nine bordered 3x3 miniature grids should also contain the numbers 1 through 9.