Simplify the following text for a Grade 9 native English-speaking person.
Original: Before the main development of Jak and Daxter , Naughty Dog confirmed the idea with Sony Computer Entertainment , and after showing them a character they dubbed `` Boxman '' to demonstrate their animation engine , they came up with Jak and Daxter .
Simplified: Jak and Daxter : The Precursor Legacy is a platform game made by Naughty Dog and published by Sony Computer Entertainment America . It is the first video game in the Jak and Daxter series , and can only be bought for the Sony PlayStation 2 .