Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? When 2D puzzles are no longer exciting, 3D brain teasers are the way. These handheld ...

Firmament: from Latin firmamentum—that which strengthens or supports. In an ancient cosmological sense, the word was also used to refer to the sky, or the vault of the heavens fixed above Earth.

Zachtronics games are known for their complex puzzle mechanics and are perfect for players who enjoy challenging and clever puzzles. Some of the more recent Zachtronics games have cleaner visuals, ...