Screw Halo. The real Red vs. Blue competition is clearly about slushies. Between the luscious taste of red cherry slushies, and that cool, inviting, delicious blue raspberry, it's hard to make the decision about what cool drink will give you brain freeze sixteen seconds after consumption. While blue raspberry has it's ups and downs, the cherry flavor is the champion, with each sip being a cool reward for your tastebuds.