This is the same service used for playing online with such games as Halo 3 ODST and Gears of War 2.
There are a total of 47 Halo 3 ODST achievements that you can accumulate through the game.
The ODST in Halo 3 ODST stands for Orbital Drop Shock Trooper.
While the Xbox 360 keeps track of your ''Halo 3 ODST achievements, it's sometimes helpful to know what you need to do in order to recognize locations or items that complete an achievement.
When you don't kill new and different things, you get this Halo 3 ODST achievement. 20 points.
This is the largest of the Halo 3 ODST achievements available.
Some gamers may have migrated over to Halo 3: ODST, but a good number still play Halo 3 online.
Some of the Halo 3 weapon cheats are specific to just this one game, but it may be possible to duplicate some of their basic strategies in other Bungie games like ODST.
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