RollerCoaster Tycoon 3 is a strategy and simulation computer game. It is the third installment in the RollerCoaster Tycoon series, first released on October 26, 2004 in North America. RollerCoaster Tycoon 3 places players in charge of managing amusement parks; rides can be built or demolished, terrain and scenery can be adjusted, and prices can be controlled to keep visitors or "peeps" happy.