Top Descriptors grid snap Objects are placed along a square grid, typically using osu!'s in-built grid snap feature. , overlap reading Contains patterns where overlapped objects make determining note order and/or timing difficult. , reading Tests a player's reading skill, i.e. patterns that obfuscate note order and/or timing. , geometric Incorporates geometric shapes within the map's visual design. , visually dense Contains patterns where the amount of visible notes makes determining note order and/or timing difficult.