copy paste from my post on the official alien isolation forum:
First congratulations to the developers for making a proper game that Alien franchise really deserves, but there are some bugs that need to be isolated and dealt with. Bought Alien Isolation with great excitement yesterday and played three hours straight on hard mode. Love the game, but there are numerous issues that have made the experience slightly frustrating. Was originally going to wait till i manage to buy a ps4, but i got it for ps3 instead, since i read reports that the ps3 version looks decent enough. Now i regret my desicion.Here are some of the bugs i have had the unfortunate pleasure to experience:
On mission two i got glued to the luggage carousel while crouching to get through. Nothing worked so i loaded the previous save game to get out of the sticky situation.
On mission two the game froze during load game and i had to restart the ps3. I have only experienced similar issue with one game (Aliens: Colonial Marines), that sad game managed to freeze during main menu.
On second mission i encountered the messiest bug i have ever seen on a console. For some reason the game failed to trigger a cutscene after disabling the security lockdown (that bit where the player hides below the table and sees the alien second time). So nothing happened and i went back to the spacious room where the four humans are looking for the player. The alien should now started a killing spree clearing the room, but instead triggered the cutscene animations that were supposed to happen before. The game goes all haywire and starts clipping through the environments, the four people shouting, shooting and screaming and the alien whips out it's tail while i am stuck in a wall. After the cutscene animations ended i was completely clipping out of the sevastopol in the middle of of the space unable to move and then the alien killed me. This anomaly happened on the fourth try i think. But every time the alien starts killing those people, the frame rate starts to hiccup badly!
Then there are minor things like main cutscenes stuttering heavily, sometimes the vents don't open and the occasional clipping and strange physics behaviour.
i had to write this post twice, because mozilla firefox crashed haha