Unlock all shiv doors [Bronze] There are 13 shiv doors in The Last of Us. Each door requires a shiv to be opened. You can craft these things anytime, any place. Just try to keep 1-2 in your inventory at all times. In the main menu under Bonuses - Statistics you can see how many you've already opened. However, there is no way to tell which ones you are missing. So try to get them in correct order. This can be done over multiple runs. Your statistics carry over to New Game+. You can also get the trophy via chapter select after beating the game. The checkpoint is displayed in the top left corner of the video.
All Collectible Locations: http://www.youtube.com/playlist?list=PLRr5L69yg_kEqs3xqlvjkjaxbPC_M3800
All of Ellie's Jokes: http://www.youtube.com/watch?v=f39mBwbjKIE
All Optional Conversations: http://www.youtube.com/watch?v=gk1M3dr7OjM
Timeline: #1 - The Outskirts (Downtown) - 0:05 #2 - The Outskirts (Museum) - 0:42 #3 - Bill's Town (The Woods) - 1:09 #4 - Bill's Town (The Woods) - 1:35 #5 - Pittsburgh (Alone and Forsaken) - 2:04 #6 - Pittsburgh (Alone and Forsaken) - 2:47 #7 - Pittsburgh (Financial District) - 3:15 #8 - Pittsburgh (Escape the City) - 3:46 #9 - Tommy's Dam (Hydroelectric Dam) - 4:18 #10 - The University (Science Building) - 4:38 #11 - Lakeside Resort (Cabin Resoirt) - 5:11 #12 - Bus Depot (Underground Tunnel) - 5:44 #13 - The Firefly Lab (Hospital) - 6:16