Back to the Future: The Game - 30th Anniversary Edition

This achievement occurs during Episode 5 - Outatime

Before you can attempt this you will first need to gain access to the Expo

Once inside and Trixie has given you your tickets do the following:
• Walk over to the bathysphere booth.
• Interact with the Diver
• Dialog (Diver): "Have you seen Emmett Brown?"
• Walk over to the large glass house.
• Interact with Glass House Turnstile.
• Interact with Handle on light green wall. DO NOT GO DOWNSTAIRS YET.
• Interact with Handle on light blue (Might look purple) wall.
• Interact with Handle on light green wall again.
• Walk downstairs.
• Interact with Handle on red wall.
• Interact with Handle on yellow wall.
• Interact with Handle on dark green wall.
• Interact with Handle on red wall.
• Interact with Handle on light blue (Might look purple) wall.
• Walk to the end of the hallway and you will emerge in the House of the Future.

Heres a video
Credit to T_l_M_B_0 of PST

Here Is A Video Guide For This Achievement! Not Mine..