While Condition Causes Broken Game

In my codes every time I've tried using the while condition it crashes my game.

you are probably creating an infinite loop.

make sure a while event has a way to get out.

since the event sheet runs every tick there is also a very good chance you don't need while - as long as the main condition is true the event will keep running every tick without using while.

AllanR is right.

Always add an emergency exit condition to While-loops, to prevent infinite loops:

While
Your_condition
loopindex<10000