No, LEGO Halo was an April fools joke by popular publication EGM (electronic gaming monthly) EGM is no longer in publication but you can find information on the hilarious joke on 1up.com
I doubt it, because halo is to violent of a game for Lego to come out with. But I've seen a few on eBay, which are fan made. But no, it will be unlikely for Lego to push forward a Lego Halo.
There is no halo game. Lego doesn't license it
Not Lego halo but there are halo megablocks sets.
No. There is no Lego Halo. It the game was a Hoax, and there are no sets for it. There are fans building Lego Halo, but not the Official Lego group.
No, Lego Halo does not exist.
Lego Halo does not exist.
There are Halo Mega blocks. They are similar to Lego.
No. There is no Lego Halo, only Megablocks Halo Universe sets.
No. There is no Lego Halo, only Megablocks Halo Universe sets.
Microsoft has given up on the Idea and there will be no LEGO Halo or Halo DS.
There isn't a Lego Halo video game. Mega Blocks is like Lego and has build-able Halo products.
There will never be a Lego Halo because halo is 16+ and violent - unlike Lego