This page contains Gears Of War 2 Unlockables for Xbox 360 called "Secret Achievements" and has been posted or updated on Mar 20, 2009 by t0ad. Let us know what you think of this Unlockable by thumbs voting.
the following achievements are available with the bonus downloadable Flashback and Combustible Map Packs:
|Unlockable:||How to Unlock:|
|Annex: Now With Execution Rules (75 GP)||Win an Annex match on each Flashback and Combustible Map Pack map (public matches only).|
|Bound by a Shared Past (15 GP)||Win a Wingman match on each of the 5 Flashback Map Pack maps.|
|Forged in the Fire (15 GP)||Win a Wingman match on each of the 3 Combustible Map Pack maps.|
|More Mystery, Less History (15 GP)||Win a multiplayer match on each of the 5 Flashback Map Pack maps (any mode except Wingman).|
|Skeletons in your Closet (20 GP)||Complete waves 1 through 10 on all Flashback Map Pack maps in Horde (any difficulty).|
|The Roof! The Roof! The Roof… (15 GP)||Win a multiplayer match on each of the 3 Combustible Map Pack maps (any mode except Wingman).|
|Trial by, and on, Fire (20 GP)||Survive first 10 Horde waves on Combustible Map Pack maps as a team.|
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