Why just wonder what a Smash Bros. game would like like with an all-Valve cast of heroes? YouTuber crazyhalo has made our Gordon Freeman loving hearts all a flutter with possibilities.

This shot-by-shot remake of Super Smash Bros. Melee dubbed Super Smash Bros. Source utilizes Vales iconic characters from games such as Portal, Left 4 Dead, Team Fortress, Counter-Strike, Half-Life and more.

Check out the full video below.

RELATED: The Truest Fans: How Homemade Games are Quietly Taking Over

RELATED: The 15 Greatest Moments From "Super Smash Bros." in GIFs

RELATED: Nintendo Launching GameCube-Like Wii U Controller For "Super Smash Bros."

[via Kotaku]