sdkgames Karma 115 Created 3 years ago Recent Submissions 1. ▲ How an 18th Century Sailing Battleship Works [video] (youtube.com) 3 points · 2 years ago · 0 comments 2. ▲ Show HN: Compass and Ruler construction problems as puzzle game (sdkgames.itch.io) 125 points · 3 years ago · 27 comments All submissions on HN · View profile on HN