This behavior doesn't work.

Hi!
I can't figure out what's behind it.
This behavior has been attached to the actor.
First, When set X = 0, I was successful.
However, When "set x = -100", doesn't work.
I don't set the kill self after leaving screen.
Thank you.

Try make self always simulate.

By default, objects that are off screen cease to function. "Make [Self] always simulate" (or "Make [Self] always active" in 2.0) is in the Properties tab of the Actors block palette; put it in "when created" to fix your issue.

Hi. SuperMario2207. Ryusui.
Great! I succeeded!
Thank you very much!