Comment Unavailability of copies of old games (Score 1) 232
Because virtual shooting changes far more rapidly than physical shooting. Strategies that work in Call of Duty: Modern Warfare may fail in Call of Duty: Modern Warfare 3. Even if you standardize on one particular iteration of a series, there's no guarantee that the game's publisher will still be willing to sell copies of the old iteration. And the demise of GameSpy has shown that multiplayer won't even be available in older games after a service provider hardcoded into the game pulls the plug.