Now Available on Steam - Thinking With Time Machines
 

Thinking with Time Machine is a free 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.

http://storefront.steampowered.com/v...ule_231x87.jpg

Дальше...