With interest rates being slashed by central banks all over the world readers may be interested in trying their hand at MoPoS, or the Monetary Policy Simulation available at Swiss National Bank's site. Yes, you too can be Ben (or Jean-Claude, Jean-Pierre, Mervyn, or whomever catches your gaming fancy).
For your further (pictorial) inducement to attempt wonkish policy behavior in the privacy of your own parlour, here is a chart of the effective Fed Funds rate (0.38% yesterday). Sad to say it is very near the dreaded liquidity trap condition that spells "GAME OUT" in MoPoS, as it also does in real life. Just ask the Japs.