Up Up Hippo is a non-commercial mobile game and an educational tool in the battle for clean and green Earth. All you need to play the game is a mobile device and… an empty plastic bottle. By squeezing the air out of the bottle the player controls the character of the game. Simple? Seemingly, yes…
Public Relations
Up Up Hippo – How to Promote a Mobile Eco-Game Controlled by… Plastic Bottles
Public Relations | 7 min August 29, 2018