A game called Virtual villagers?

this game is really good and i reccomend to paly it but i was wondering if you could donwlaod any of them 1 2 or 3 to download for free and get to keep like like there is no trial plz cuz every time i play it says u have 60 minutes remaingin i want to play for free but also have the game w/o buying so i could always whenever i want thx