Nintendo UK VS on Twitter: "Along with the online tournament this month, a new Shy Guy Co-Op Challenge is underway in #MarioTennis Aces! Clearing it will net you three new alternate colours
Boo Hunt Co-Op Challenge returning in Mario Tennis Aces - NintendObserver
Nintendo - The Boo Hunt Co-Op Challenge returns in Mario Tennis Aces, and you've got until 1st March to tackle it! As a reward, you can acquire Boo visors in three different
Nintendo Aiming To Resolve Mario Tennis Aces Co-Op Challenge Error By 16th October | Nintendo Life
Mario Tennis Aces Review - Slant
Mario Tennis Aces Costume Ideas *MAJOR UPDATES* by KoopshiKingGeoshi on DeviantArt
Mario Tennis Aces and Other Great Mario Spinoffs - GameRevolution
Mario Tennis Aces Update Hits The Court On September 19th | Nintendo Life