I'm really digging the system - clean and well defined and continually cranking up the tension. I kinda want to use it as a framework to hack a full setting / scenario.
This is the second submission in this Jam that I quite desperately want another Jam for (this time a Jam full of games created with your 4 SRD - you *are* creating a 4 SRD, right?). That's some thematic adherence to the theme!