i beat the 6 levels in first world, second world unlocked....

i beat the 6 levels in world 2, then it told me i had to beat all levels before world 3 would unlock...huh? i have.

i have both achieves for beating both worlds but world 3 does not unlock.

is this game broke?

I completed the game, then got a load glitch or corrupted save(I don't remember which one it was). I was prompted to hit the A button and when I did lost my save.

So I had to start all over again(the 1st world being the only lvl. that was open). 

It actually happened to me twice, but the second time I DID NOT HIT THE A BUTTON. I just hit the power button to shut off the xbox. When I turned it back on, I still had my save data.

Did you get this glitch too?

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G: 28880/29050 (99.4%)
A: 1369/1375 (99.6%)

Played: 59 Completed: 54

no, just the world 3 not unlocking. have tried 5 times completing the level again, even got a gold for timing and still no world 3 unlock.
i wish ms wouldnt sell broken games, this game is worthless to me now.
i have read the forum posts for this game and it sounds like its full of glitches and bugs.......

i am not starting all over again so i guess this is a "dead" game to me now, you would think it would be illegal to sell something to the public that doesnt work, i paid for a full game and cant even play half the game. out of 6 worlds i can play 2.