v0.990 suggests a near-final, "pre-release" build, likely featuring most of the game's developed mechanics, characters, and assets before the final, stable 1.0 release Locker Room.
She Will Punish Them is an adult-themed action-RPG developed by Locker Room that allows players to create a succubus character and engage in hack-and-slash combat.
Such files are typically distributed via digital platforms, including Steam for official releases, or via third-party download sites for game updates, often in a multipart format to facilitate easier downloading Locker Room.