Approximations are common in dimetric drawings. Dimensional approximations are common in dimetric drawings. Hence it is a "dimetric" axonometry. There are, however, actually three types of axonometric projections&colon; "isometric", "dimetric" and "trimetric". The isometric kind is drawn in a near-isometric dimetric projection. Sub-types of "axonometric projection" include "isometric", "dimetric" and "trimetric projections". Gameplay is displayed in dimetric view, unlike the top-down view of "Railroad Tycoon". If two forshortenings are equal, the projection is called dimetric.