An eighties film with two boys girl on the road, the younger boy amazing at console games. Whats the title?

Question

I saw a film once with two boys and a girl on a road trip quite young, the younger boy is amazing at computer games he ends up playing mario in the final, anyone know the title, at the end they go on a slide that look like a big dragon or dinosaur by the sea?

Answer 1

the wizard was my fav film....................................... i was about 7!!

Answer 2

"The Wizard"

Answer 3

It is...The Wizard

I used to love this movie when I was about 8.