How to use "illusion" in a sentence

Sala chose the Beach illusion, and the walls of the room disappeared

It was a really wonderful illusion.

And then someone had opened the door, making the whole illusion break up

For the first thirty minutes, they chose the illusion of a big nightclub with a famous band playing

Cham sent her another message while she was on her way to say that he was in Space 46, and when she went in, he'd already chosen an illusion

"Let me change this horrible illusion." He went to the screen on the wall, and changed the scenery to a sunny park

They walked back to the simulator center and spent an hour together alone in Space 29, where they chose their waterfall illusion

An illusion.