Each row contains the numbers 1 to 5, but leaves out one of the numbers for a spacer.
The totals for all groups of numbers are given along the sides/tops of each rows/columns.

Views 5, Upvotes 0

Turn over all the cards on the board, scoring points as you go.

Views 14, Upvotes 0

Fight against the evil red LEDs in this one-dimensional action game.

Views 10, Upvotes 0

Fit the five shapes into the space provided.
You don't even have to rotate them!

Views 10, Upvotes 0

Help the Pizza Delivery Agent get as much cash as possible, by delivering as many pizzas as you can.

Views 24, Upvotes 0

Use the clues on the edge to help determine the locations of the treasure chests. The arrows will point directly at the treasure, although they may be a number of squares away.

Views 21, Upvotes 0

Help Pixie guide the bubble through the maze of blocks.

Views 21, Upvotes 0

Each of the central figures multiplies the same four outer figures of each pie. Try to find all the values for all of the pies.

Views 25, Upvotes 1

Can you find the words within the grid?

Views 22, Upvotes 0

Leap your way around the globe, gathering up all the blue dots as you go.

Views 19, Upvotes 0

Change all of the letters in a single column to the same letter, so that all the words change to different words.

Views 18, Upvotes 0

Battle against the oncoming aliens, and also your own rapidly diminishing battery charge.

Views 32, Upvotes 0

Blast away the enemies, and help the Ranger keep the forest tidy.

Views 29, Upvotes 0

Fill in the six circles using the six numbers below, to make the three points of each triangle add up to the figure in the middle.

Views 18, Upvotes 0

Clear the cards by matching alike-value cards which are beside each other.
As you clear areas, hit the remaining card pile to shuffle cards towards the top-left, and retrieve more cards from the deck.

Views 19, Upvotes 0

Place all numbers 0 to 9 within the grid, so that each 4 digit PIN adds up to 18.

Views 19, Upvotes 0

Hop around, and smash the bats with your giant balls.
The classic neon platformer returns in your browser!

Views 28, Upvotes 0

Help Froggy gather up the stars using a mysteriously magical hat.
Watch out for those Space Munkies!

Views 25, Upvotes 0

Fill in the wind!
Each number represents how many grid squares are taken up by horizontal and vertical lines, emerging from that block.

Views 22, Upvotes 0

Help Platdude harvest all the fruit, and use his trusty bouncy-ball to keep the bats at bay.

Views 41, Upvotes 1