However, it does require intelligence, like LEGO does to a certain extent. A scaringly large amount of kids from my generation are the ordinary "cawadoody" or "#lunch" person, who would ragequit in less than an hour of the demo, let alone the full game, let alone the game with the mods I use (FAR, TAC Life Support, RemoteTech, Kethane, KW, & Bargain Rocket Parts), let alone using those mods plus doing the calculations.