Deal alert: Two hit Disney games for Windows Phone go free. Tomorrow only.

Heads up: Where’s My Water and Where’s My Perry, Disney’s megahit games for Windows Phone 8, are going to be available for free on Thursday, Jan. 17. It’s a special one day only promotion, so make a note and spread the word.

Both games take the laws of physics and turn them into fun, challenging adventures. In Where’s My Water, you help alligators Swampy and Cranky redirect water through a maze of plumbing so they can shower. In Where’s My Perry, Agent P needs your help getting to headquarters through secret transportation tubes. Both games have near 5-star average reviews in the Windows Phone Store.