A minimalist puzzle game centering on the concept of non-decreasing sequences. Each puzzle begins with a monochrome grid of numbers, plus a few colored cells marked with an X. Starting at these cells, you must link up numbers in non-decreasing order until the whole grid is filled with color. 500 unique, carefully handcrafted puzzles of varying difficulty, each with a single solution Beautiful, lengthy chill-out soundtrack created by professional artists Minimalist, elegant design without timers, scores or other hassles Several built-in color themes, including colorblind options. Or... ...make your own color themes - right from within the game! Source: The Game Website.