PLEXIC (pleks'ik) adj: the state of being in between the knowing and the perplexed. 4 difficulty levels, 2 different game modes. A grid of tiles lays before you, ready to perplex. Swipe the rows or columns to shift the tiles.
Organized mode: Continue to shift the tiles until either all columns or rows contain the same tiles.
Plexic mode: Similar to sudoku, continue to shift the tiles until each column and row contain only one of each tile.