> You don't spend two years doing a Game only to realise later that is not fun, and you either spend 3 more years or abandon it at this moment.

People do this all the time. It's such a common problem in startups that all of the books, courses, advisors, and everyone else with experience talks about finding product market fit early and shipping MVPs to validate the product.

It's the most common startup advice and people still ignore it and build unvalidated things for years anyway.

It's too easy to get started on your big idea and then switch to a rhythm of working on the next task without ever stopping to validate the big direction