Operation Peculiar Pandemonium
mvm.pineapple.tf
An April Fools MvM charity tour featuring 8 intermediate missions across 7 maps. Play to earn an exclusive in-game pink mini-tank medal! Donate to the National Breast Cancer Foundation (AU) to earn up to 3 exclusive in-game donor medals!

Looks like Pineapple TF is doing a charity drive for National Breast Cancer Foundation.

Cool! (I hope…)