一个基于 pygame-ce 构建的现代贪吃蛇游戏，拥有完整的场景系统、道具系统、NPC 蛇 AI 子系统与动态难度机制。

Option D — Unity 3D (Advanced Avatar) Install Unity Hub → Create 3D project Build Selam model in Blender → Export as FBX → Import to Unity Connect Unity ↔ Python via Socket.IO (already set up in ...