I think that a lot of depends from the game, its promotion and liquidity of the game.
To be popular Play2earn game must have a good liquidity, big ecosystem and a lot of users.
In such case gamers will be able to earn money.
So, have all these things been in the Play2earn game so far ? because I am not a reliable game player in any game field and also in cryptocurrency, so I also need to know this now through people who already know about the Play2earn game.