"Homework" is the only physics-based girl simulator in the universe driven by cats. It is also a "chad" simulator based on physics and physiologic data.
In the V3, the lighting and poses system have been reworked. Optimisation has also been done to support Scaling 2.12.1. Scaling 2.12.1 helps the CPU already super buzzy calculating physics. This will also highlight the real cost of things.