Reminds me of several "html4 games" before smart phones went nuclear. The only one I can remember the name of was "hobowars". There was a colonize planets/solar systems and a medieval variant.
It was little bit fun as a novelty, plus getting top ranked in some of them promised a prize like money or xboxes.
It's a lot less fun when every game does it and wants you to pay to win, and when you win you get nothing but the credit card bill.