I can't find mention of it elsewhere on this thread: Humongous Entertainment's stuff's now on Steam.
http://humongous.com/2014/04/humongous-entertainment-gets-the-steam-treatment/
I thought these were rather good kid-friendly adventures back in the day (Putt Putt, Freddi Fish, Pyjama Sam, Spy Fox, Fatty Bear), and while I doubt they'll interest adults all that much outside nostalgia, parents might be interested.
Looks like Night Dive are behind this (Indeed, I mentioned it a day or two ago in the GoG thread on the expectation that the games would appear there - a wrong call on my part)