Currently, there is no official or widely verified report comparing different "repacks" for this specific chapter. In the community context for visual novels and similar media, "repacks" often refer to compressed versions of game files provided by different third-party groups. Determining which is "better" typically depends on:
The repack is not an official release, but the original author has endorsed it as an “alternative interpretation.” You can find it via: instinct unleashed ch9 kind nightmares repack better
: Upgraded rendering for animations and character models. Currently, there is no official or widely verified