It's worth noting that searching for "Regressor -v0.4- -Piggy games-" will bring up many unrelated results. This is because:

At its core, Regressor -v0.4- -Piggy games- refers to a specific version of a game or a game series that utilizes regression analysis as a key gameplay mechanic. The term "Regressor" directly points to the use of regression models, which are statistical methods used for modeling the relationship between a dependent variable and one or more independent variables. The "-v0.4-" suggests that this is version 0.4 of the game or software, indicating an ongoing development process. Lastly, "-Piggy games-" likely refers to the developer, publisher, or a specific series of games that this version belongs to.

While v0.4 established the foundational loop, subsequent updates have expanded the world significantly. For example, by v0.11 and v0.12, the game introduced new areas like Jisoo's house and expanded interaction options with multiple characters. 3. The 3DCG and Animation Style