Business & management — play, learn, earn certificates
The practical skills to run and grow a business — money and cash flow, marketing and sales, operations, people and strategy. Six fields, four tiers each. Play free, pass a tier, and earn a certificate of competence you can download, print and share. New questions appear each time you play.
You can play as a guest — sign in with your free 21 ID to keep progress and claim certificates.
Build the business — the six fields
The practical skills to run and grow a business — money and cash flow, marketing and sales, operations, people and strategy. Each field you master is a certificate you can show.
Business basics
What a business really is — customers, value, the difference between revenue and profit.
Money & cash flow
Margins, costs, break-even and the cash flow that keeps a business alive.
Marketing & sales
Finding the right customers, pricing, and turning interest into sales.
Operations & delivery
Processes, suppliers and quality — delivering well, again and again.
People & management
Hiring, delegating, motivating and leading a team that delivers.
Strategy & growth
Competition, planning and scaling a business the professional, systematic way.
Idea to boardroom
Climb from your first idea to leading a whole company — start up, run it, build a team, scale it, and lead.
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