For those interested, there are 4 games in the same series, but they're almost the same, with little improvements every time. This one is VERY old. So, you might as well get the 3rd or 4th, they're the best. This is the latest, I think => https://igg-games.com/tasty-275611090-planet-forever-free-download.html
This is the latest, I think => https://igg-games.com/tasty-275611090-planet-forever-free-download.html