A good number of Viewfinder's achievements can be earned by simply progressing through the game, but some will require the player to put in extra effort. For example, the "Hashtag all filters" ...

Oh, yes, right. Before we get all nerdy and talk about how cool this is, I should probably run through the basics of Look-Up Tables or LUTs. Essentially, a Look-Up Table is a sheet of values that you ...