Deep within the facilities at Aperture Science lies a secret research laboratory that was locked and closed off... until it was found by robots.

Thinking with Time Machine is a Portal 2 mod in which you will find and use a Time Machine to create a twin of yourself from the past to help you solve the puzzles. The past self accurately repeats all of the player's actions, creating a unique twist on familiar Portal game mechanics.

Features

• New and unique gameplay
  
• Custom content (models, textures)
  
• New design
  
• Convenient and simple control in the form of a new datapad item
  
• Different ways to think about and solve puzzles