Understanding how the acheviements works.

    * Melee Master - Hockey Mask(Accessory)
    * Gutshotter - Super Hero Costume(Costume)
    * Craft Master - Laster sword(2 damage, small money and exp bonus)
    * Hitman - Special T-Shirt(Top)
    * Supersizer - Chicken Costume(Costume)
    * Energizer - All you can eat(+2 to max energy)
    * Green Machine - Invisible Ring(Zombies get less alerted)
    * Muscle for Hire - Ninja Costume(Costume)
    * Neighborhood Watcher - Swimming Pool(Decoration)
    * Treehugger - Super Crop(1 Super Crop and unlocks Super Crop in market: costs 500 coins, 3 hours to  harvest, 3 Food and 605 coins on harvest)

Thanks for Snipah for posting this info. \m/



You can only get the items when your in Platinum Reward!! Enjoy killing zombies..