By Gears of War 2 has given us 7 new achievements, which may be obtainable right now! can be earned after the title update comes out. The achievements can be earned by purchasing the Flashback or Combustible Map Packs, and can net you an additional 175 points if you are successful.
The new achievements can be viewed below:
 Skeletons in your ClosetComplete waves 1 through 10 on all Flashback Map Pack maps in Horde (any difficulty) |
20  |
 More Mystery, Less HistoryWin a multiplayer match on each of the 5 Flashback Map Pack maps (any mode except Wingman) |
15 |
 Bound by a Shared PastWin a Wingman match on each of the 5 Flashback Map Pack maps |
15 |
 Trial by, and on, FireSurvive first 10 Horde waves on Combustible Map Pack maps as a team |
20 |
 The Roof! The Roof! The Roof…Win a multiplayer match on each of the 3 Combustible Map Pack maps (any mode except Wingman) |
15 |
 Forged in the FireWin a Wingman match on each of the 3 Combustible Map Pack maps |
15 |
 Annex: Now With Execution RulesWin an Annex match on each Flashback and Combustible Map Pack map (public matches only) |
75 |
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