Rubik's
Rubik's is the brand making the well-known Rubik's cube since 1974. Rubik's cube was invented to spread knowledge about the 3- dimensional space but has now become the world's most popular puzzle. The brand also conducts many world-level Rubik competitions to promote its product. They have made a virtual cube app for the audience to engage themselves in the puzzle even if they don't have one with them at any point.