This is an 3D Engine example of Half life for Multimedia fusion 2. MMF2 is not so good for 3d but can be done. However using 2 floor levels (Stairs and slopes) is not recommended though.
Please login to see this picture.
*Only works for Multimedia fusion 2
Howto Open MFA:
Please login to see this link.
DOWNLOAD:
Please login to see this link.