An American-based, globally-available crowdshare service, Kickstarter offers independent creators the chance to fundraise from their audiences. If a work is tagged "Kickstarter", it likely has run or is currently running a crowdfunding campaign on Kickstarter's platform to help pay for its development costs.
Explore Puzzle physical games tagged Kickstarter on itch.io · Sell your physical games on itch.io to have them show up here.
