这是万物模拟器的一个试玩版本，包含一个简单的开发者编辑的关卡，和功能受到限制的物理沙盒编辑器。This is a playable demo of Everything Simulator, containing only a single, simple developer‑authored level and feature‑limited editors for physics (including fluids), character, and animation; the comprehensive feature set is available only in the full version.