Bought MOO and XCOM when I bought my first computer in 1994. Here we are in 2012 and I still remember how much fun both of these games were. The replay value for MOO is unmatched! Perfectly balanced game that requires management of resources, a strategic plan, good ship designs, and a little luck on the harder difficulties. Blackhole generator on a fleet of 1000 small ships...so much fun!! $6 is a steal for MOO...getting MMO2 too makes it a no brainer.