5 Months Ago, Examiner.com says (in Should you buy Halo 3: ODST?) Just think Horde from Gears of War 2, Nazi Zombies from Call of Duty: World at War, or Survival from Left 4 Dead and you get the idea. It will undoubtedly be fun, but its lack of originality still keeps it from being worth $60. ...
Microsoft Defends Halo 3: odst's $60 Price Tag Shacknews

And Examiner.com says (in Halo 3: ODST Priced as a Full Game) Halo 3 ODST "Firefight" mode, a new cooperative multiplayer mode where up to four players can assume the role of an ODST squad and fight together to take on increasingly challenging waves of enemies. Sounds very similar to Gears of War 2's Horde Mode. ...

And Shacknews says (in Microsoft Defends Halo 3: ODST's $60 Price Tag) Gears of War 2's Horde mode. Meanwhile, the game's single-player component has players exploring an open-world rendition of New Mombasa and reliving the experiences of missing comrades. Along with the above, Halo 3: ODST will also pack multiplayer ...

And Neoseeker says (in Halo 3: ODST in-depth preview with Bungie) On top of the usual competitive modes, this game introduces Firefight, a cooperative multiplayer mode similar to but more expansive than Horde Mode in Gears of War 2. In Firefight, players team up with three allies and face off against increasingly ...

And Kotaku.com says (in Halo 3: ODST Firefight Preview: OUHave12) I loved Horde mode in Gears of War 2 and I love Firefight in Halo: ODST, both are fantastic multiplayer coop modes that force gamers to work together to survive. Adding skulls, achievements and leaderboards make it all the more fun.
E3 2009: Halo 3 ODST Firefight mode hands on MLive.com

6 Months Ago, NintendoDS Advanced says (in E3 2009: Halo 3 ODST Hands-On) After walking me through the campaign demo, Bungie finally let me get my grubby mitts on the controller to try out their new FireFight multiplayer mode. Firefight is a cooperative mode in the vein of Gears of War 2's 'Horde Mode' that puts four players ...
E3 2009: Microsoft Audioholics