The Flashback Map Pack is the first downloadable content pack (DLC) for the 2008 game Gears of War 2. It came bundled with all new copies of Gears of War 2 at launch. It later became available for purchase for 400 Microsoft points. The third and final way to have it is to own the Gears of War Triple Pack (which includes the original Gears of War and Gears of War 2 + GoW2 DLC).

Flashback offers five tweaked multiplayer maps from the original Gears of War: Canals, Gridlock, Mansion, Subway, and Tyro Station; each of which was compatible with Horde mode.