What is this playstation game?

Question

there was this game i used to play with the regular playstation, it was like a kid whos dad made a time machine and he had a gun that looked like it shot bubbles, you had to jump through the little portal which looked like black a goop

Answer 1

The game in question is no-doubt the 3D adventure game "Rascal"

Such a disappointing game.  Only 6 levels and a bubble gun? Really? C'mon!

Link to screens and info in Source