When I first glanced at Loadout I mistakenly thought it was a Team Fortress 2 clone. (I'm sorry for judging you by your looks.) It's similar in that they're both team based arena shooters, but there's a key difference: you get to make your own guns.
You can be creative with them, too. There's no need to create a dull rifle when you could create something beautiful and unique like a triple-barrelled rocket launcher that's capable of shooting bouncy rockets everywhere. The gore is just as over the top -- I mean, you get people running around without heads. Their eyes and brain just float in mid-air as they shoot at you, it's ridiculous. It's the kind of ridiculous I can get behind.
Loadout is available now and is free to play.