Knee Deep 1.0 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. Knee Deep for Mac relates to Games. We recommend checking the downloaded files with any free antivirus. This Mac application is a product of Prologue Games.
From the developer:
Knee Deep is a point and click casual game for Mac OS. Experience a magical reality where characters are transported among scenes, set pieces moved into place, and music wafts from the orchestra pit. Knee Deep is about characters, storytelling, and melodrama in swampland Florida.
You may want to check out more software for Mac, such as Danger-from-the-Deep, Nightmares from the Deep: The Siren's Call or Deep, which might be similar to Knee Deep.