Gears of War 2
I just finished "Gears of War 2", and it was pretty cool - I have to say, riding the Brumak through the Locust horde at the end was pretty fun, using the chain gun and rockets to lay waste to everything in the way :)
If you get the game, leave the credits rolling - there's a small hint as to where the next game in the series will be going.
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