How about 'Game design' by Philip B. Tan & Jason Begy from MIT. As a frequent offline gamer this one seems super fun!
This course provides practical instruction in the design and analysis of non-digital games. Students cover the texts, tools, references and historical context to analyze and compare game designs across a variety of genres, including sports, game shows, games of chance, card games, schoolyard games, board games, and role–playing games.
Everything we know about how to start a startup, for free, from some of the world experts.
This collection is designed to be a sort of one-class business course for people who want to start startups.
We cover how to come up with ideas and evaluate them, how to get users and grow, how to do sales and marketing, how to hire, how to raise money, company culture, operations and management, business strategy, and more.
Maybe you want to improve on your public speaking skills? Missouri State University got your back with Gary Phillips' 'Fundamentals of Public Speaking', a skill that never misstands anyone in business.
Instruction and practice in researching, composing, and delivering formal and informal speeches in a variety of public contexts. In the Game format speakers develop more complex communication skills as they work up through the levels of the game, from citizen, to voter, to candidate and senator.
But if none of this is your game, there might be something in the 1147 other free courses you can find here. Unfortunately, there is no course to magically create time out of nothing.