The game industry has little room for failures. Like a vast and cruel wilderness, it's rarely merciful to the games that can't adapt to a changing environment. Yet it's rare that an entire breed of game goes completely extinct; as long as there's one small developer or semi-profitable fan following, a genre can survive. It'll just be on the endangered list -- that's where you'll find all of the following species, which were once healthy or prosperous in some way. But time and technology dulled their appeal, and faster, leaner, more appealing games took over.