Hidden Ghosts 2

[EscapeFever]

We know that this plant is full of ghosts! It is your task to clean up the plant and save the plant workers from this horror! Find all 15 hidden ghosts! Good luck!

Play Here

Please use spoilers to give hints:
[spoiler=Title Here]Enter text here...[/spoiler]

Please do not post a video walkthrough for 7 days.

[NannaJoy]

I found this one a lot harder. Sometimes it is a minute between a ghost appearing and disappearing quickly. Then you wait and wait and wait.. Took me ages to spot 10 - the other 5 can just run around