"This video took me 40 hours in total to make so I hope you will like it.
If you want to upvote this on Reddit, you can do it right here: http://www.reddit.com/r/SFM/comments/13rl8n/heyyeyaaeyaaaeyaeyaa_sfm_remake/
Greenscreen panels and a desert map was made by DasMatze. Casual heavy and medic was made by Sarcasmosaur. You can download the following files right here http://www.facepunch.com/showthread.php?t=1196077
Everything else like props, default maps, characters, SFM etc. was made by Valve."