It was designed by Keita Takahashi, creator of Katamari Damacy, and was released for PlayStation 4 and Windows on December 17.

The game is played either solo or co-op, and consists of befriending other inhabitants of the world, including trees, flowers, rocks, toilets, poop, mouths, and more by holding hands, uncovering secrets, playing minigames, and solving puzzles.

[1] Originally revealed in December 2014 as a PlayStation 4 exclusive, Wattam was to be published by Sony Interactive Entertainment and developed jointly by Funomena and Santa Monica Studio.

[3] In August 2017, Annapurna Interactive was announced as the new publisher, and that it would additionally be released for Microsoft Windows.

Hunicke withdrew from active involvement in the game's development to focus on running the company.