3d house interior model

A large complex 3D house interior designed for a game environment, architectural layout style. The building contains 7 major spaces including 3 large empty halls, 3 medium-sized empty rooms, and 1 very large underground basement connected by stairs. The house layout should feel maze-like and complex, with long corridors, multiple doorways, and interconnected rooms. All rooms and halls are completely empty with no furniture, showing only walls, floors, ceilings, and door frames. The three halls are very spacious, suitable for gatherings, with high ceilings and wide open space. The three rooms are standard bedroom-sized spaces, each connected to the halls or corridors. The basement is large and deep underground, accessible through a staircase, with concrete walls and a wide open space suitable for storage or horror scenes. The architecture style is realistic modern house construction, with clean geometry optimized for game engines like Unity, modular structure, clear doorways, and se