A retaining wall block that includes three textured outer face surfaces and can be divided into a pair of sub-blocks of different sizes that are configured to be compatible with each other for use in the construction of a retaining wall having a random appearance. The retaining wall block has three textured outer face surfaces of varying lengths and when the retaining wall block is separated into its sub-blocks, each of the sub-blocks define two additional textured face surfaces of different lengths. The main retaining wall block is capable of creating individual wall blocks having one of six different face surface lengths.