Very good for a free game. However, AI needs to be more competitive. (i.e: Should not give opponent a monopoly without getting a comparable one in return. (Algorithm apparently assigns too much weight to cash, allowing human to buy color groups outright.) Add to Custom Rules: 1) No trading/purchasing properties until ALL tokens pass "GO". (Eliminate "player going first" advantage) 2) Allow "no rent be paid by seller" (for negotiated number of turns) when negotiating selling/trading properties.