Discover Mainland China in 30 levels. Find all the differences.

Try to get a single connected power network by rotating grid squares.

Create rectangles and squares on the screen. Each rectangle may only contain 1 number and should contain as many cells as indicated by the number.

Find all the differences. Find all four within the time limit by clicking on a difference.

Find all hidden objects in the best cities of the world. Drag to move around the image and pinch/long click to zoom in/out.

1010 game with Hex shapes. Drag shapes onto the board and complete lines (horizontal, vertical and/or diagonal).

Find all the hidden objects, number and differences in the Chinese Temple.

Daily new Calcudoku Puzzles. Like Sudoku: fill the grid where every number can only occur once per row/column. But the cages (thick bordered box) must produce the given outcome with the given operator.

Guess the English words and try not to hang your man. Click on the letters to guess.

Connect all the light bulbs with each other and also with the main battery. You have to create as many connections to other bulbs as the number indicated on the bulb. Two bulbs can be connected with each other only vertically or ..