4U Plus

design: 2021

fabrication: 2021

The main problem is to pack the four pieces flat inside a square frame, as with the original puzzle 4U.

Unlike 4U, this version has the other side of the frame, which you can play extra problems.

The goal is to appear all the UFOs of a specific color by packing the pieces inside the frame.

4U Plus

designed by Kohfuh Satoh, 2021

released from Kofth, 2021