The final game in the Halo series, developed by Bungie.

It is scheduled to be released on September 25th, 2007.
Halo 3 is going to be the best fucking game ever!!
by Define yourself May 27, 2007
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A gift probably from heaven, programmed by god himself. Though Playstation 3 fag boys...sorry, "fanboys" may say it sucks, they are just disappointed that their console will not be able to handle it. With all it's cool features, halo 3 will make gaming history. On Sept 25th the earth itself will shake from the awesomeness of halo.

I look forward to laughing at the PS3 fans on that day.

Gamer: "Man, can't wait for Halo 3!"
PS3 Fanboy: "Stop overrating it!!!" *sulks in corner*
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Gamer1:"Halo 3's out soon!"
Gamer2: "I know!" *Head explodes in excitement*
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Gamer1:"They canceled Halo 3."
Gamer2: *commits suicide*
Gamer1: "Wait, it was a joke."
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PS3 Fanboy:"Halo 3 is teh Suckzorz!"
Xbox Fanboy:"OMG STFU!"
by White Hawk September 3, 2007
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The only thing Microsoft has EVER done right.
1 "Dude, Halo 3 comes out tommorrow"
2 "So maybe Microsoft isn't completely evil"
by 'lknakojihnasdj October 7, 2007
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The last game in the Halo series (except not really)
Halo 3, finish the fight! Except keep coming back!
by halonoob555 February 21, 2011
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Halo 3 is a game made with the soul purpose of destroying relationships and embarrassing boyfriends and husbands who get their asses handed to them by their partners.
Girl: Wanna play Halo 3? I just got it, you'll be surprised at how good I am at it already. I'm gonna kick your ass!"
Man: "pff its just a game, and besides, your a girl, girls aren't good at video games."
Girl: *kicks guys ass at game.*

EMBARRASSMENT OCCURS.
by Stephen Peterson March 29, 2008
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Third game in the critically acclaimed Halo series, developed by Bungie. It has a decent story that almost absolutely wraps up the trilogy. Online play is so simple a 2 years old could do it(is that a good thing?).
"Oh man i played Halo 3 so much yesterday that i got mild Carpal Tunnel"

"Theres something wrong with you"

"What the multiplayer is so addictive"
by Trigrhapy September 29, 2007
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