The term "spread pattern" refers to how something is evenly distributed or arranged over an area. It describes the way in which something is spread out or spread in a certain shape or design. Full definition
Score Rush Extended presents a particularly dense bullet hell, and no matter whether you're in the middle of a level or tackling one of the bosses, you constantly have to avoid different spread patterns of bullets — sometimes random, and sometimes in the form of complex waves. (xona.com)
Once I did an FBA and spread the pattern pieces, I simply converted the slashes at the waist and side bust into darts. (blog.colettehq.com)
It's classic shoot em up with some new elements like multiple fire modes, bullet spread patterns, upgrades within said patterns to have even more firepower to unleash, upgrades to your wings, bombs, fire modes, armor, missles, multiple wing types, skills and upgrades for those plus a research tech tree and you can even colonialize the planets you liberate! (polarityflow.com)