Shovel Knight is a 2D side-scrolling platform game developed and published by Yacht Club Games. Following a successful Kickstarter crowdfunding campaign, the game was released for Microsoft Windows, Nintendo 3DS and Wii U in June 2014. The game was ported to OS X and Linux in September 2014, PlayStation 3, PlayStation 4, PlayStation Vita and Xbox One in April 2015, Amazon Fire TV in September 2015, and Nintendo Switch in March 2017. Shovel Knight is inspired by gameplay and graphics of platformer games developed for the Nintendo Entertainment System. The game has received critical acclaim and won various awards. Following the release of additional campaigns, the original story received the retronym Shovel of Hope. The full game is referred to as Shovel Knight: Treasure Trove, which includes two other campaigns: Plague of Shadows and Specter of Torment. A fourth campaign called King of Cards is in development, and is planned for release in the second half of 2018.