Bigle 3D 3.33 Do you know what a stereogram is? It is a picture where you see only a pattern at first, but when you squint or see in the far, forms will pop-up (in 3Dimentions) from the image.

iPuissance 4D 5.03 Connect-Four style game played with red and yellow counters. Imagine a vertical grid of 7x6 elements closed at the bottom.