"Chibi Ghostie" by Sorako-chan

For a half-size layout, this one can be surprisingly tricky to solve. Woo! Scary! (Background courtesy Google Images)

Edit: And it's Monday the 13th. Even scarier!

Load this layout in Moonlight Mahjong on your iPhone or iPod Touch.

Requires Moonlight Mahjong 1.1 or later.