If you're looking for a simple but addictive game that will let you relax and train your brain, try the Wood Brick Puzzle. The goal is to connect the solid lines and fill the blank area with different shapes of wood blocks, but make sure you don't overdo it and that there is enough space for each brick.

Wood Brick Puzzle is a simple game with a simple rule, but with a lot of fun. You just need to move the blocks and connect the lines.