Lines and points, what could be easier? However, this is exactly the case when you have to think a lot, especially at high levels, because every next one is more difficult!
A new puzzle that most likely you will like, at any rate, it definitely will not let you be bored, nor will you relax, because you have to think a lot!
A new puzzle in which you will work with numbers that are written on square blocks, and, as you understand from the title, you need to collect the numbers 20, but is it really that simple?
Another unusual puzzle that can please is that you are familiar with 3D drawing and other engineering topics related to projection, so it will be interesting!