The new 3DS Chibi-Robo game has a Portal reference!

[t3mporary_126]

Remember that trash can of fire that you used to discard your companion cube?!? 

Go to 5:14 ^^^

http://www.youtube.com/v/A1Col5dWj7g

It's back in the new Chibi-Robo sidescroller and it serves the same purpose! 

Go to 2:12

mobile: http://www.youtube.com/v/-SjNtQ3cFvw

Nintendo and Valve secretly joining forces?* :-O

*Disclaimer: These trash cans may be common place in factory settings so it's probably nothing.