What a fair free game actually looks like
Free-to-play gets a bad name, and often it earns it. But I've played enough of these to know a fair free game exists, and it has a few recognisable traits worth naming.
First, the ads have limits. A fair game shows you an ad at a natural break, maybe after a run, and offers a reasonable one-time price to remove them. Boxcar Billy does this well once you pay the small fee.
Second, purchases are optional shortcuts, not the only path forward. If the game is playable and beatable without spending, and buying just saves time, that's a fair deal. If you literally can't progress without paying, it's a paywall wearing a costume.
Third, and this is the one people miss: a fair game is honest about its systems. No fake countdowns, no manufactured urgency, no pretending an offer expires when it doesn't. Deception in the store is the reddest flag there is.
When I score free games, I weigh all of this. A four-star free game is one where I never felt manipulated, only occasionally nudged. That's a higher bar than it sounds, and few clear it.