• Problem: Audio Glitches where the voice over is de-synching or is completely missing. 
• Solution: The update that came out on day one should fix those issues.

• Full screen map direction arrow is stuck in the same position. 
• No fix fo that at the moment thought some people say that restarting the game will fix it but it's unconfirmed at this moment.

• Leaving the Animus will result in Desmond unable to reenter it. 
• No solution at this moment.

 

• White gradient is showing all over the screen but is predominantly showing on the top part of the screen.  There are people (including myself) that think that it's got something to do with the costumes you get from the Uplay store. (The one I have)
• No known solutions at this moment. 

•  Random freezes. It seems to effect older models.
• Ubisoft want's you to buy a new system. \s

 

• HUD disappearing during MP matches. 
• No known solutions.

 

• Tunnel Glitch. This game braking happens when you go and use one of the Quick Travel tunnels and you come out from the other side to an endless loop of de-synching. It seems this bug is due to the fact that the game will let you travel to a closed area fs the game. 

• 360: Deleting the auto save file in the 360's dashboard seemed to be working for people. You can achieve that by going to My Xbox>System Settings>Memory>Open up the storage unit the file is saved to>Games>Assassin's Creed: Brotherhood>Delete the Auto save file named 1A DO NOT delete the 1B file . When you load the game it will ask you if you to use the backup file, 1B,  and you should be fine. 

  PS3: Reloading the prevision sequence seems to work for a large number of users. 
    
    
  
  
  
  
  
  
  
  
  
  
  
  That's it for now. If you have anything to add then please let me know. 
  
  
  Ubisoft has acknowledged that they are aware of the tunnel glitch and are working on a fix. No word yet on the other issues. 
   For people with the Tunnel problem..
  
  
  

  " We are aware of an issue that a few players are having with inappropriate desynchronization (game loads into immediate desynch).
  We are working on this issue and will update you as soon as new information becomes available."
  
  Just so your aware!

  
  
     

oh damn what?  
 
holy crap

" oh damn what?   holy crap "

Getting disconnected from a game loses your XP for the match. I've gotten to level 5 three times now.

@Mordukai Thanks for this friend. Just hit the tunnel glitch last night. Will give this a shot!
 
EDIT: Bah! It loaded me to the same spot!  Probably messed around reloading and leaving the Animus and such too many times.

i can't rank up on the online every time i get off the multi player im reset to rank 1

I was kind of disappointed by the ps3's frame rate. The multi player seemed fine though.

Just got the tunnel glitch, except I can get a certain distance from the tunnel before desyncing. Will try the proposed 360 fix later.
 
edit: Well looks like deleting the version A save file didn't help. I'm betting since I'm not dying immediately and I'm able to use the tunnel as many times as I want that the backup save was replaced with a corrupted save while I was trying other tunnel exits to see if they also desynced. Those dying as soon as they load are in fact the lucky ones since they can likely make use of the fix provided.

My advice is as soon as you notice sudden desync after using a tunnel, quit and delete your save immediately. Otherwise the backup slot could be overwitten with a corrupted save.

Got the game today, played a bit of SP was having a good time. Thought I would check out MP for a few matches. Really got into it, then, 4th match. HUD disappeared. Makes it REALLY difficult to play competitively. Though just following the compass and watching for non-AI like movement sort of worked. Doesn't help when you don't know who your target actually is though.

Some other annoying (though certainly not game-breaking) glitches that I've noticed on the XBOX 360 version include: 
 

• Horses disappearing after entering certain item shops (though not all...)
• Parachutes disappearing after certain events
• Entering into fights, not in fight mode (I don't know how else to explain this, but I'm sure it's happened to you--upon entering a "fight", the normal music plays, and Ezio faces the baddies, but the usual button-mapping doesn't occur until you hit the lock-on button.  It seems like the fight sequence should always produce the same button mapping...)

" 

• Entering into fights, not in fight mode (I don't know how else to explain this, but I'm sure it's happened to you--upon entering a "fight", the normal music plays, and Ezio faces the baddies, but the usual button-mapping doesn't occur until you hit the lock-on button.  It seems like the fight sequence should always produce the same button mapping...)

"

I didn't see any of these! The only one I encountered was the constant visual bugs where Ezio's clothing, or some other characters's texture would warp oddly. Like it got stuck on some collision and looks like spikes are coming off the character. Also, the occasional Z-Fighting on the steps of stairs. I only saw z-Fighting at the beginning though, didn't see it anymore after that.

I just discovered a horrible glitch today. 
 
To keep it simple, I jumped to my death after playing fine for a few hours. When I respawned I noticed a lot of my items were missing. I was no longer wearing the Brutus armor, in fact, I had no armor at all. 
I instinctively went into my inventory to re-equip everything but I had no options for armor. The game also seems to have reset all the items I've collected, most notably the flags (which I just finished getting all the ones in the city) 
 
This is some BS

I've got some kind of multiplayer glitch. Last two time I've signed on my personas are all back to basic gear/colors and my profile sets are all jacked up.

Well I won't be buying any of the DLC if this stays a problem for sure.

I just played through the game any only saw tiny little bugs but  none as bad as those.

I am at sequence 2, memory 5. I took a tunnel to Rome's Campagna District and it seems it is outside the active game play. I am now in this desynchronize loop. I have tried to use the DNA to move back but other than starting over, I do not know what to do. Help??

I don't have the original game, but there was a curious glitch that i got while playing the game. It's not game-breaking or anything, but i couldn't find a way to get out of that problem (other than just closing the game).

I was chasing a thief in the roofs, and then, there was a lower roof, where he decided to go down, but then, to go up again, i tried to jump and catch him, but Ezio got stuck flying right above the thief's head. And then, it started flying away. It's not a big deal, but it was hilarious to see that!

I left Ezio flying to see if anything was going to happen, but guess what : There's no de-sync wall above a certain height. So i actually went outside the map, but i couldn't stop flying. Then, i just closed the game.