SEGA's Genesis is one of the most beloved consoles in gaming history. Many a gamer became a fan of co-op due to the Genesis' strong library of cooperative titles. Now, via the power of Steam, several co-op classics are available with the click of a mouse. The SEGA Genesis Classics Pack is available for PC gamers, and includes such co-op heavyweights as Golden Axe and Altered Beast. There were even a few co-op games I'd never heard of: Gain Ground and Crack Down. (Yes, Crack Down; we're just as surprised as you are!) Each title will set you back a mere $2.99; as of yet, there is no discount for buying the whole package. I know I'll be checking out Crack Down to determine if it's worthy to be called a Co-Op Classic...