Life Goes On embraces death in a way that most games don't. Sure, lots of platformers embrace death in the sense that they know that landing the perfect jump will first require a lot of trial and error, but few make you intentionally kill yourself to get across from point A to point B.
The Flock is interesting for two reasons. Firstly, its horror themed asymmetrical gameplay, and secondly developer Yogelsap is made entirely of students. Valve likes the game so much it's let it skip Greenlight and go straight to Steam.
The pair of venerable MMORPGs, launched in 1997 and 2001, respectively, have recently come under the control of the newly-formed Broadsword Online Games, who took to Steam Greenlight in an effort to find a new audience for the two classics.