Free/$.99 ad-free version
Big Duck Games
Rating: 4 out of 4
When you first open "Flow," you are not treated to the typical one- or two-screen tutorial that seems to be standard with iOS games.
Instead, it's a bit like the film "Inception." You see a field of 25 squares and eight colored dots. You can almost hear Leo DiCaprio asking you to draw him a maze in one minute that takes two minutes to solve.
"Flow" challenges the visual and problem solving side of the brain in a way that is...