Gary Grigsby’s World At War takes you through four World War 2 scenarios where 5 playable powers battle across 38 different countries with 15 different unit types. Each unit type has up to 14 attributes, which you can upgrade through careful research of new technology during the war. Rules cover everything from economic production and strategic movement to cold weather and managing supply lines in the advanced mode of the game. With a challenging AI, PBEM capability, and an in depth tutorial, Gary Grigsby’s World at War will make you a general in a day but keep you occupied year round.