It's 'half animated'. Most of the game is still pictures like other visual novels, but there will be action at every battle. (still not fully animated--it's impossible to fully animate Nasu's battle scenes since Nasu tends to make characters move extremely fast in his novels)
Fatal/Fake is just a doujin game...You can find the basic guide here:
http://forums.animesuki.com/showpost...&postcount=273