- Easy kills
When you begin, you will have the Wrench and the Electric Bolt Plasmid. Using these in rapid succession against most Splicers can often result in an efficient, quick kill. First, shock the Splicer. Before the convulsion ends, switch to the wrench, aim high, and hit the Splicer over the head. An efficient way of killing the Spider Splicers is to shoot a few clips of anti-personnel ammunition, preferably from the machine gun.

- Overcomeing security robots
If you are up against a stationary security robot (RPG, etc.), use Telekenesis to grab a crate or pallet. Keep pushed it in front of you until you can find a place to hide and know what to do next. The item you keep pushed up will block some attacks.

- Easy money
Use the Incinerate Plasmid on any slot machine to corrupt the machine. You will usually always win money when you use the burnt out machine.

- Getting Little Sister Savior achievement
Do not harvest a single Little Sister throughout the game. Tenebaum will reward you with gifts (including Adam) every time you rescue three Little Sisters. This proves more effective, as you get the same amount of Adam as you would if you harvested them, but you also get the achievement.

- Weapon Improve Station locations
- Tonic locations
Medical Pavilion



Neptune's Bounty



Arcadia



Fort Frolic



Hephaestus



Olympus Heights



Apollo Square



Point Prometheus



Tenenbaum Gifts



Research Bonuses


- Restoring hacked robot's health
After hacking a robot, it will begin firing at your enemies. If the robot gets hit, it will begin to lose health, catch on fire, and eventually blow up. To stop this from happening, deactivate the robot (press A while pointing at the robot), then reactivate it a few seconds later. This should make the robot have full health again.

- Audio Diary locations
The following is a list of all 122 Audio Diary locations to get the 'Historian' achievement:

#	Audio Diary name	Speaker	Location
48	Offering a Better Product	Andrew Ryan	Waterfall Grottos near water wheel
49	Heroes and Criminals	Diane McClintock	Waterfall Grottos in locked machinery room
83	Scooping the Gate	Kyburz	Outside Ryan's Office near the Circus of Values machine
36	Arresting Fontaine	McDonagh	Fighting McDonagh room #6 upstairs
103	Artist Woman	Sullivan	Culpepper's Apartment main room's corner table
91	Getting a Break	Pablo Navarro	Lower Heat Loss Monitoring on desk near tonic
116	Extra Munitions	Suchong	Plasmid Prototyping ground near RPG turret
7	Limits of Imagination	Steinman	Medical Pavilion Foyer by Eternal Flame's wall
104	Fontaine's Homan Jukebox	Suchong	Suchong's Apartment on floor in south room
80	Ryan's Stableboy	Anna Culpepper	Rapture Records behind entrance counter
51	The Saturnine	Langford	Lower Rolling Hills cave behind waterfall
10	Freezing Pipes	McDonagh	Medical Pavilion Foyer near bottom of stairs
28	Adam Discovery	Tenenbaum	Upper Wharf in crate below the wharfmaster's office
92	Impossible Anywhere Else	Andrew Ryan	Hephaestus Core desk at bottom walkway
70	The Wild Bunny	Sander Cohen	Sophia Salon in closet behind counter
84	Stopping Ryan	McDonagh	Ryan's Office first corpse on right
4	Adam's Changes	Steinman	Emergency Access on the desk
22	Fontaine Must Go	Andrew Ryan	Lower Wharf crawl under the metal grating by the pipes
15	Testing Telekinesis	Suchong	Dandy Dental on the floor by Gatherer's Garden
119	Protector Smell	Suchong	Suit Assembly machinery 2nd floor SW
118	Missing Boots	Suchong	Candidate Conversion Area desk in back of room
72	Fancy Cigarettes	Albert Milonakis	Le Marquis D'Epogue downstairs near corpse
50	Shouldn't Have Come	Mariska Lutz	Lower Rolling Hills bench near stairs
101	Baby Status	Suchong	Control Room on table beneath photos
23	Finding the Sea Slug	Tenenbaum	Upper Wharf table by the stairwell entrance
31	Death Penalty in Rapture	Andrew Ryan	Jet Postal desk by vending machine
63	Water in Wine	Pierre Gobbi	Farmers Market near winery sign
56	Lazarus Vector Formula	Langford	Langford's Office in Julie's wall safe
100	Mind Control Test	Suchong	Control Room on table beneath photos
78	Fontaine's Army	McDonagh	Sir-Prize left of stairs in crate
44	Big Night Out	Dieter Sonnekalb	Tea Garden floor near ghost bench
14	Useless Experiments	Tenenbaum	Dandy Dental floor near entrance
39	Meeting With Fontaine	Peach Wilkins	Storage Cave ground by crates
11	Surgery's Picasso	Steinman	Eternal Flame entrance near memorial
6	Parasite Expectations	Andrew Ryan	Medical Pavilion Foyer near surgery on desk
9	Vandalism	Andrew Ryan	Medical Pavilion Foyer near vending machines
40	Kraut Scientist	Frank Fontaine	Control Room Lower Floor in locked storage cave
87	Fontaine's Legacy	McDonagh	Hephaestus Core near Vita-Chamber on the walkway
74	Stood Up Again	Diane McClintock	Upper Atrium top of stairs near Fleet Hall's entrance
81	Requiem for Andrew Ryan	Sander Cohen	Projection Booth on office table
71	Artist's Feud	Sullivan	Cocktail Lounge above the bar safe
24	Masha Come Home	Marista Lutz	Upper Wharf floor by Little Sister
121	Mistakes	Andrew Ryan	Suit Assembly near the Gene Bank
61	Desperate Times	Andrew Ryan	Farmers Market near freezer crawlspace
111	Meeting Atlas	Diane McClintock	Hestia Chambers right of entrance
113	Today's Raid	Diane McClintock	Atlas' Headquarters in corpse near the safe
38	Putting the Screws On	Peach Wilkins	Freezer Bottom Floor next to safe
66	The Great Chain	Andrew Ryan	Arcadia Metro Station bench right of entrance
13	Plasmids are the Paint	Suchong	Painless Dental desk in the corner
75	Guns Blazing	McDonagh	Robertson's Tobaccoria table near entrance
105	Mind Control Antidote	Suchong	Suchong's Apartment on desk next to tonic
35	Meeting Ryan	McDonagh	Fighting McDonagh crawl through the water filled ventilation shaft towards the Gene Bank
120	Protecting Little Ones	Suchong	Suit Assembly desk 2nd floor SE room
115	Why Just Girls?	Tenenbaum	Atrium Balcony on desk in second floor of orphanage
110	Protection Bond	Suchong	Artemis Suites Suchong's office floor
86	A Man or a Parasite	Andrew Ryan	Hephaestus Core desk outside of bunks
97	Assembling the Bomb	Kyburz	Lower Workshops secret crawlspace desk
112	The Longest Con	Frank Fontaine	Atlas' Headquarters on desk next of tonic
21	Timmy H. Interrogation	Sullivan	Lower Wharf in the water of the interrogation room
33	Working Late Again	Andrew Ryan	Fighting McDonagh window bar table
27	Have My Badge	Sullivan	Wharfmaster's Office on desk
73	The Iceman Cometh	Martin Finnegan	Frozen Tunnel left of entrance hall
43	Mass Producting Adam	Tenenbaum	Tea Garden floor near chairs
64	Adam Explained	Tenenbaum	Silverwing Apiary near entrance counter
34	Rapture Changing	McDonagh	Fighting McDonagh desk in basement office
2	Hole in the Bathroom Wall	Steve Barker	Kashmir Restaurant in the 'Dames' bathroom
76	Pregnancy	Jasmine Jolene	Eve's Garden under bed behind stage
57	Maternal Instinct	Tenenbaum	Tree Farm on the steps towards Farmer's Market
12	Enrage Trial	Suchong	Kure All corner of main room
3	Released Today	Diane McClintock	Medical Pavilion Foyer on the reception desk
114	Changing Employers	Suchong	Main Hall melt the ice, enter the closet upstairs, search the trash can
58	Bee Enzyme	Tasha Denu	Farmers Market ground near pneumo tube
53	What Won't They Steal	Langford	Research Laboratories near entrance
67	Musical Insult	Sander Cohen	Fleet Hall Theatre storage room near guitar
25	Picked Up Timmy H	Sullivan	Upper Wharf near Little Sister in the corpse
45	Arcadia Closed	Langford	Tea Garden desk near Gene Bank
79	Bumb Culpepper?	Sullivan	Pharoah's Fortune on pool table upstairs
62	Pulling Together	Andrew Ryan	Farmers Market on meat market counter
69	Come to the Record Store	Cobb	Southern Mall on table outside of the restroom
77	It's All Grift	Hector Rodriguez	Eve's Garden on the bar
109	Atlas Lives	Diane McClintock	Apollo Square near Gatherer's Garden
46	The Market is Patient	Andrew Ryan	Waterfall Grottos bench near U-Invent
52	Arcadia and Oxygen	Langford	Tree Farm near crate at entrance
54	Teaching an Old Hound	Langford	Research Laboratories table in second room
19	Gatherer's Vulnerability	Steinman	Lounge on the floor by Gatherer's Garden
16	Symmetry	Steinman	Surgery Foyer wall by debris pile
88	Assassin	Anya Andersdotter	Hephaestus Core near Gatherer's Garden
93	Running Short on R-34s	Pablo Navarro	Hephaestus Core desk outside the Workshops entrance
37	Saw Masha Today	Marista Lutz	Fighting McDonagh room #7 upstairs
96	The Dream	Kyburz	Lower Workshops corpse in middle of room
42	Seeing Ghosts	McDonagh	Tea Garden floor left of entrance
106	Fontaine's Breakup	Paparazzi	Mercury Suites near U-Invent machine on the walkway
94	Device Almost Finished	Kyburz	Lower Workshops office desk at bottom of the stairs
17	Aphrodite Waking	Steinman	Surgery desk in northern OR
122	Cheap Son of a Bitch	Suchong	Suchong's small storage area desk
5	Higher Standards	Steinman	Medical Pavilion Foyer near entrance on wall
107	Sad Saps	Frank Fontaine	Fontaine's Apartment coffee table near cigars
59	First Encounter	Andrew Ryan	Farmers Market near Bouncer corpse
30	Fontaine's Smugglers	Tenenbaum	Jet Postal bench in glass tube
65	Functional Children	Tenenbaum	Winery on the back table
41	Offered a Deal	Peach Wilkins	Submarine Bay on dock towards Arcadia
82	Ryan Takes F Futuristics	McDonagh	Hephaestus Bathysphere St. crate near the Circus of Values machine
90	Genetic Arms Race	McDonagh	Lower Heat Loss Monitoring on desk in flooded area
55	Lazarus Vector	Langford	Langford's Office in Julie Langford's body
60	Hatred	Tenenbaum	Farmers Market lower storage room desk
20	Bathysphere Keys	Sullivan	Lower Wharf under south end of the boardwalk
1	New Year's Eve Alone	Diane McClintock	Kashmir Bottom Floor on top of table
47	Early Tests Promising	Langford	Waterfall Grottos near water wheel
32	Smuggling Ring	Sullivan	Fighting McDonagh center bar table
85	Going to Heat Loss	Anya Andersdotter	Outside Ryan's Office forth corpse on right
108	What's Happening Here?	Diane McClintock	Apollo Square on the ground near Circus of Values
98	Market Maintenance Code	Pablo Navarro	Lower Workshops crawlspace under stairs
68	The Doubters	Sander Cohen	Cohen's Collection downstairs table
29	Eden Leaking	McDonagh	Upper Wharf hallway going towards Jet Postal
95	Great Chain Moves Slowly	Andrew Ryan	Kyburz's Office desk in back of room
8	Love for Science	Tenenbaum	Medical Pavilion Foyer near health station
102	Mozart of Genetics	Suchong	Olympus Heights Bistro Square snack bar
117	Marketing Gold	Andrew Ryan	Test Subject Storage on machine in right part of room near water
89	Kyburz Door Code	Pablo Navarro	Heat Loss Monitoring floor in the corner
99	The Vita Chamber	Suchong	Control Room desk left of entrance
18	Not What She Wanted	Steinman	Surgery in the corpse on table the doctor worked on
26	Watch Fontaine	Andrew Ryan	Upper Wharf next to the Circus of values machine

- Overcomeing Frank Fontaine
To defeat Frank Fontaine very fast, when you first enter the room, hit him with the tool the Little Sisters gave you. Fight him when he throws you off. Once he is back on the bed, run up and hit him again with the tool to drain his Adam. This works a lot faster due to him only having four or five jars of Adam to drain, and the fights are not very long afterwards.

- Getting Tonic Acquireor achievement
When buying Plasmids, Tonics, and Improves from the Gatherer's Garden, always buy the Tonics first. Then, make sure you search every area for other Tonics. When you reach Point Prometheus, there will be three Tonics to find. The rest of the Tonics are available in the Gatherer's Garden. This will ensure you get the achievement. Notice: To check how many Tonics you have, go to a Gene Bank, and count each 'track'.

- Overcomeing Big Daddies
When fighting a Big Daddy, use armor piercing rounds from the machine gun or pistol. For a more effective way of killing, launch frag grenades and run out a door. The Big Daddy will follow you. Fire proximity mines at the door, and when it walks through it will be damaged or destroyed.


Once you have obtained the crossbow and at least five Trap Bolts, it is easy to kill a Big Daddy. Face a wall and stand about three feet away. Make sure it is not something that the bolts can bounce off of, and you have at least a ten foot long straight wall. Once you are better skilled at this technique, you can try for shorter lengths if desired. Point straight ahead and fire a bolt. Take about two steps to the left or right, depending on your location and which way the Bid Daddy is facing, and fire another. Once you fire all five bolts, shoot the Big Daddy once with anything. If done correctly, it will run through the line of traps, taking enough of his health away so he can be killed with just a few more shots. Notice: This may not work in an open area because Big Daddies strafe frequently. If you have the damage increase for the crossbow, it will only take three or four bolts to kill him. Do not crouch while setting up the traps. If the Big Daddy walks another way and gets out of sight, you may need to go back to get him. If you do get him, you can crouch under the set traps. An easy way to trigger bolt traps is to pick up something with Telekinesis and drag the object through it.


Once you get the Security Bullseye Plasmid, set off an alarm either by hacking or being spotted by a security camera. Then, throw the Security Bullseye at the Big Daddy. You may have to do this more than once depending on how much health the Big Daddy has when begining out. Try to avoid the battle because the crossfire and exploding bots will damage your health. The only problem with this technique is that once the Big Daddy is taken down, the bots will come after you. Be prepared to either run and hide, fight them off, or pay to shut them down.

- Overcomeing Peach Wilkins
Once the dark cloud envelopes the icy battlefield upon which you must face Peach Wilkins, save the game, and locate the hostile turret at the end of the room when the cloud clears. Load the game, and run to it before the cloud clears, so that you can quickly freeze or shock it. Then, hack it so it shoots your enemies. Crouch down by the area to your right when facing the turret. There are a few barriers here to protect you from enemy fire. However, to avoid damage by Wilkins' grenades, keep Telekinesis as your active Plasmid. He will avoid the turret's fire, but as long as you stay behind the barriers by the turret he will stay at a safe distance. This gives you time to calmly return his grenades using Telekinesis until he dies. The turret will take out most of the Splicers. This method makes things much easier because it eliminates the hectic 'run around and hit enemies with the wrench' strategy that is otherwise your only option. If the turret is not used as an ally, it can easily become a problem, along with the bots triggered by the security camera. By hiding near the allied turret however, you also hide from the camera's view.

- Alternate endings
There are three different endings in the game, depending on how the Little Sisters were treated. If more than one Little Sister was harvested, the 'bad' ending will play. If no Little Sisters were harvested, the 'good' ending will play. If one Little Sister was harvested, but the rest were rescued, a third ending will play.

- Overcomeing Atlas Fontaine
Atlas Fontaine, the the final Boss, has three different styles of attacks: Flame Plasmid, Ice Plasmid, and Electric Plasmid Form. An easy way to defeat him in the first part is to use your Ice Plasmid and freeze him. Then, switch to your Telekinesis Plasmid. Grab an explosive tank, and throw it at him. Also, if desired, just use your telekinesis. He is very predictable if you are far away from him. Wait for him to throw a fire ball at you, then move out of the way. He will continue to run past you. Use this chance to fire the machine gun, which does the most damage to him. Once he goes back to his chamber to gain his life back, change to the Flame Plasmid, and get ready for some bots. Once he begins his routine of fire and run, shoot him with the Flame Plasmid as many times as possible. Continue to use the machine gun while he is aflame. He will now go back to his chamber one last time. He will now have electrical powers. Keep your Flame Plasmid ready. Shoot him with the Flame Plasmid, and he will run for the water. Once he jumps in the water and comes back out, hit him with it again. Be aware that there are Splicers all over as well; set them ablaze to get some extra life. There are many different ways to defeat him, but this is an easier way.


An easy way to defeat Atlas Fontaine is to make sure that you have the fully upgraded shotgun and the Decoy ability. After you drain his Adam, drop a decoy and while Atlas is attacking it, use the shot gun. After you have used all four rounds immediately cast Decoy again, reload your shotgun, then begin shooting him again. Repeat this until you have to drain his Adam. Once again, reload your shotgun and Plasmids before you drain his Adam. Then, begin over using Decoy and the shotgun. Use health packs as needed and ignore any Splicers in the area, as they will be paying attention to your Decoy just like Atlas.

- Molotov cocktails
While normally the various alcoholic beverages (for example, Arcadia Merlot, Old Tom Whiskey, etc.) scattered throughout the game are used to recover health, they can be turned into Molotov cocktails similar to those used by the 'Nitro Splicer' enemy. To do this, use a source of flame, such as the chemical thrower, the Incinerate! Plasmid, or an environmental source. Ignite the alcohol bottle, pick it up with the Telekinesis Plasmid, and throw it at the enemy of choice.

- Achievements
Do the following things to obtain the corresponding Gamerscore points:

5 Points
One Successful Hack	Perform at least one successful hack.
One Fully Improved Weapon	Fully upgrade one weapon.
Researched a Splicer	Take at least one Research Photo of a Splicer.
Basic Inventor	Successfully invent at least one item.
Two Fully Improved Weapons	Fully upgrade two weapons.
Bought One Slot	Purchase one slot in any Plasmid or Tonic track.
Prolific Photographer	Take at least one photo in every research group.
Improved a Weapon	Acquire at least one weapon upgrade.
Quality Research Photo	Take a Research Photo of the highest grade.
10 Points
Fully Researched Houdini Splicer	Fully research the Houdini Splicer.
Hacked a Security Bot	Successfully hack a security bot.
Fully Researched Spider Splicer	Fully research the Spider Splicer.
Fully Researched Little Sister	Fully research the Little Sister.
Finishd Welcome	Successfully complete the Welcome To Rapture Level.
Fully Researched Rosie	Fully research the Rosie.
Four Fully Improved Weapons	Fully upgrade four weapons.
Fully Researched Thug Splicer	Fully research the Thuggish Splicer.
Avid Inventor	Successfully invent at least 100 items.
Five Fully Improved Weapons	Fully upgrade five weapons.
Fully Researched Gun Splicer	Fully research the Leadhead Splicer.
Hacked a Safe	Successfully hack a safe.
Hacked a Security Camera	Successfully hack a security camera.
Lucky Be victorious inner	Hit the jackpot at a slot machine.
Hacked a Turret	Successfully hack a turret.
Three Fully Improved Weapons	Fully upgrade three weapons.
Fully Researched Bouncer	Fully research the Bouncer.
Fully Researched Nitro Splicer	Fully research the Nitro Splicer.
Hacked a Vending Machine	Successfully hack a vending machine.
Toaster in the Tub	Shock an enemy in the water.
20 Points
Maxed One Track	Purchased every slot in one of the Plasmid or Tonic tracks.
Weapon Specialist	Acquire all upgrades for all weapons.
Research PhD	Max out all possible research.
25 Points
Ammo Inventor	Successfully invented all possible ammo types.
40 Points
Dealt with every Little Sister	Either Harvest or Rescue every Little Sister in the game.
Seriously Good At This	Finish the game on the hardest difficulty setting.
Skilled Hacker	Successfully complete 50 hacks.
50 Points
Historian	Find every audio diary.
Maxed All Tracks	Purchased every slot in all four Plasmid and Tonic tracks.
Tonic Acquireor	Acquire or Invent 53 Tonics in the Physical, Engineering and Combat tracks.
100 Points
Little Sister Savior	Finish the game without harvesting any Little Sisters.

10 Points
Irony	Take a picture of Sander Cohen's corpse.
Found Cohen's Room	Enter Sander Cohen's personal quarters.
15 Points
Overcomeed Dr. Steinman	Overcome the crazed Dr. Steinman.
Restored the Forest	Restore the forests of Arcadia.
Overcomeed Peach Wilkins	Overcome Peach Wilkins.
30 Points
Finishd Cohen's Masterpiece	Finish Sander Cohen's great masterpiece.
Broke Fontaine's Mind Control	Break Fontaine's mind control.
Became a Big Daddy	Become a Big Daddy.
Overcomeed Andrew Ryan	Overcomee Andrew Ryan.
100 Points
Overcomeed Atlas	Overcome Atlas.

- Finding Chompers' Dental key
The key to Chompers' Dental in the Medical Pavilion is acquired by using Telekinesis through the broken window to the left of the door. There should be a corpse hanging over the broken window. The key should be grabbed with Telekinesis because it is hanging on a wall on the other side of the window. You can get Telekinesis in an area near here. You will need to get that first, but do not follow the arrow back to the rubble that you need to get rid of until you explore Chompers' Dental. There is a safe and other good items inside. Notice: Both Telekinesis and Chompers' Dental are near where you find the shotgun.

- Hitting the jackpot at slot machine
Save the game before you begin playing the slot machine. Then, keep reloading your saved game until you hit the jackpot.

- Reaching Atlas Fontaine's penthouse
The code to get to Atlas Fontaine's penthouse is '5744', which is in an Audio Diary.

- Save game recommendations
Save the game before fighting a Big Daddy or other difficult enemies. If you do not like the results (used too much health, wasted too much ammunition, etc.), you can simply reload your saved game and try again until you are satisfied.


After becoming a Big Daddy, create a new saved game. At this point, you will be close to the end of the game. If you missed something, you can go to the Bathysphere and explore Rapture again; you are also a Big Daddy now so the Splicers will not harm you, security cameras will not set off alarms, etc.

- Pac-Man reference
In the Arcadia level, you will find a place that appears to be a bar. Search around a bit, and you will see a block of cheese, followed by holes. The cheese is cut like Pac-Man himself. There are holes next to it, none of which can be gun shots. If you shoot the floor with any weapon you have, the marks will not match.

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